Tudóstér: Analízis Tanszék publikációi

Rehman, S., Nawaz, R., Zia, F., Fewster-Young, N., Ali, A.: A comparative analysis of Noyes-Field model for the non-linear Belousov-Zhabotinsky reaction using two reliable techniques.
Alexandria Engineering Journal 93 259-279, 2024.

Boros, Z., Menzer, R.: An alternative equation for generalized monomials involving measure.
Publ. Math. Debr. 104 (1-2), 171-183, 2024.

Abdul-Hassan, N., Kadum, Z., Ali, A.: An Efficient Third-Order Scheme Based on Runge?Kutta and Taylor Series Expansion for Solving Initial Value Problems.
Algorithms. 17 (3), 1-12, 2024.

Barczy, M., Páles, Z.: Comparison and Equality of Bajraktarević-type [psi]-estimators.
REVSTAT - Statistical Journal [Epub ahead of print] (-), -, 2024.

Amir, M., Ali, Q., Raza, A., Almusawa, M., Hamali, W., Ali, A.: Computational results of convective heat transfer for fractionalized Brinkman type tri-hybrid nanofluid with ramped temperature and non-local kernel.
Ain Shams Eng. J. 15 (3), 1-11, 2024.

Mzili, T., Mzili, I., Riffi, M., Kurdi, M., Ali, A., Pamucar, D., Abualigah, L.: Enhancing COVID-19 vaccination and medication distribution routing strategies in rural regions of Morocco: A comparative metaheuristics analysis.
Informatics in Medicine Unlocked 46 1-13, 2024.

Páles, Z., Pasteczka, P.: Estimating the Hardy Constant of Nonconcave Homogeneous Quasideviation Means.
Ann. Math. Silesianae. 38 (1), 78-92, 2024.

Raza, A., Stadoleanu, O., Abed, A., Ali, A., Sallah, M.: Heat transfer model analysis of fractional Jeffery-type hybrid nanofluid dripping through a poured microchannel.
International Journal of Thermofluids. 22 1-14, 2024.

Grünwald, R., Páles, Z.: Local and global Hölder- and Minkowski-type inequalities for nonsymmetric generalized Bajraktarević means.
J. Math. Anal. Appl. 535 (2), 1-22, 2024.

Páles, Z., Shihab, M.: On convexity properties with respect to a Chebyshev system.
J. Math. Anal. Appl. 530 (2), 1-20, 2024.

Khan, F., Khalid, M., Ali, A., Bazighifan, O., Ghanim, F.: Pollutant dynamics in a subterranean estuary (Waquoit Bay, MA, USA) via mathematical modeling.
Results in Engineering. 21 1-12, 2024.

Gselmann, E., Kiss, G.: Polynomial Equations for Additive Functions I: The Inner Parameter Case.
Results Math. 79 (2), 1-37, 2024.

Alalhareth, F., Atta, U., Ali, A., Ahmad, A., Alharbi, M.: Analysis of Leptospirosis transmission dynamics with environmental effects and bifurcation using fractional-order derivative.
Alex. Eng. J. 80 372-382, 2023.

Nawaz, R., Iqbal, A., Bakhtiar, H., Alhilfi, W., Fewster-Young, N., Ali, A., Potcelan, A.: A New Extension of Optimal Auxiliary Function Method to Fractional Non-Linear Coupled ITO System and Time Fractional Non-Linear KDV System.
Axioms. 12 (9), 1-17, 2023.

Ashraf, R., Nawaz, R., Alabdali, O., Fewster-Young, N., Ali, A., Ghanim, F., Alb, L.: A New Hybrid Optimal Auxiliary Function Method for Approximate Solutions of Non-Linear Fractional Partial Differential Equations.
Fractal Fract. 7 (9), 1-18, 2023.

Kiss, T.: A Pexider equation containing the arithmetic mean.
Aequ. Math. [Epub ahead of print] (-), -, 2023.

Gát, G., Goginava, U.: Cesàro means with varying parameters of Walsh-Fourier series.
Period. Math. Hung. 87 (1), 57-74, 2023.

Nagy, G.: Characterizations of centrality in C*-algebras via local convexity of functions.

Khan, I., Nawaz, R., Ali, A., Akgul, A., Lone, S.: Comparative analysis of the fractional order Cahn-Allen equation.
Partial Differential Equations in Applied Mathematics. 8 1-8, 2023.

Ahmad, I., Bakar, A., Ali, I., Haq, S., Yussof, S., Ali, A.: Computational analysis of time-fractional models in energy infrastructure applications.
Alex. Eng. J. 82 426-436, 2023.

Boros, Z., Lovas, R., Pasteczka, P.: Correction to: There is at most one continuous invariant mean.
Aequ. Math. 97 (4), 883-885, 2023.

Páles, Z.: Daróczy Zoltán (1938-2023).
Érintő. 2023 (30), 1-20, 2023.

Elaikh, T., Abd, N., Ali, A.: Dynamic characteristics of cracked simply supported bidirectional functionally graded Rayleigh beam.
Results in Materials. 19 1-9, 2023.

Fechner, Ż., Gselmann, E., Székelyhidi, L.: Endomorphisms and derivations of the measure algebra of commutative hypergroups.
Indag. Math.-New Ser. [Epub ahead of print] (-), -, 2023.

Páles, Z., Pasteczka, P.: Estimating the Hardy constant of nonconcave Gini means.
Math. Inequal. Appl. 26 (1), 195-203, 2023.

Inc, M., Iqbal, M., Baber, M., Qasim, M., Iqbal, Z., Tarar, M., Ali, A.: Exploring the solitary wave solutions of Einstein's vacuum field equation in the context of ambitious experiments and space missions.
Alex. Eng. J. 82 186-194, 2023.

Fechner, Ż., Gselmann, E., Székelyhidi, L.: Generalized derivations and generalized exponential monomials on hypergroups.
Opuscula math. 43 (4), 493-505, 2023.

Ghanim, F., Batiha, B., Ali, A., Darus, M.: Geometric Properties of a Linear Complex Operator on a Subclass of Meromorphic Functions: An Analysis of Hurwitz-Lerch-Zeta Functions.
Appl. Math. Nonlin. Sci. 8 (2), 2229-2240, 2023.

Barczy, M., Páles, Z.: Limit Theorems for Deviation Means of Independent and Identically Distributed Random Variables.
J. Theor. Probab. 36 (3), 1626-1666, 2023.

Fechner, Ż., Gselmann, E., Székelyhidi, L.: Moment functions of higher rank on some types of hypergroups.
Semigr. Forum. 107 (3), 624-636, 2023.

Gselmann, E., Iqbal, M.: Monomial functions, normal polynomials and polynomial equations.
Aequ. Math. [Epub ahead of print] (-), -, 2023.

Saeed, H., Ali, A., Menzer, R., Potcelan, A., Arora, H.: New Family of Multi-Step Iterative Methods Based on Homotopy Perturbation Technique for Solving Nonlinear Equations.
Mathematics. 11 (12), 1-13, 2023.

Raza, A., Ali, R., Eldin, S., Alfalqui, S., Ali, A.: New fractional approach for CMC and water based hybrid nanofluid with slip boundary layer: Applications of fractal fractional derivative.
Case Stud. Therm. Eng. 49 1-12, 2023.

Zheng, K., Raza, A., Abed, A., Khursheed, H., Seddek, L., Ali, A., Haq, A.: New fractional approach for the simulation of (Ag) and (TiO2) mixed hybrid nanofluid flowing through a channel: Fractal fractional derivative.
Case Stud. Therm. Eng. 45 1-12, 2023.

Dayan, F., Ahmed, N., Ali, A., Rafiq, M., Raza, A.: Numerical investigation of a typhoid disease model in fuzzy environment.
Sci. Rep. 13 (1), 1-12, 2023.

Páles, Z., Zakaria, A.: On the equality problem of two-variable Bajraktarević means under first-order differentiability assumptions.
Aequ. Math. 97 279-294, 2023.

Almutairi, A., Ali, A., Bazighifan, O., Iambor, L.: Oscillatory Properties of Fourth-Order Advanced Differential Equations.
Mathematics. 11 (6), 1-11, 2023.

Raza, A., Abed, A., Almusawa, M., Seddek, L., Ali, A.: Prabhakar fractional simulation for inspection of CMC-based nanofluid flowing through a poured vertical channel.
Case Stud. Therm. Eng. 45 1-14, 2023.

Raza, A., Ali, R., Ali, A., Alfalqui, S., Chishti, K.: Prabhakar Fractional Simulations for Natural Convective Hybrid Nanofluid Mixed with Cu and AlO Nanoparticles Flowing Through a Channel.
Journal of Engineering Research. Epub 1-11, 2023.

Al-Ghafri, K., Alabdala, A., Redhwan, S., Bazighifan, O., Ali, A., Iambor, L.: Symmetrical Solutions for Non-Local Fractional Integro-Differential Equations via Caputo-Katugampola Derivatives.
Symmetry. 15 (3), 1-15, 2023.

Páles, Z.: To the memory of Zoltán Daróczy (1938-2023).
Publ. Math. Debr. 103 (3-4), 269-272, 2023.

Ali, A., Jaber, A., Yaseen, M., Rasheed, M., Bazighifan, O., Nofal, T.: A Comparison of Finite Difference and Finite Volume Methods with Numerical Simulations: Burgers Equation Model.
Complexity. 2022 1-9, 2022.

Bessenyei, M., Tóth, N.: A Convex Analysis View of the Barrier Problem.
Journal of Convex Analysis 29 (3), 827-836, 2022.

Gát, G., Goginava, U.: Almost everywhere convergence and divergence of Cesàro means with varying parameters of Walsh-Fourier series.
Arab. J. Math. 11 (2), 241-259, 2022.

Gát, G., Lucskai, G.: Almost Everywhere Convergence of Cesàro-Marczinkiewicz Means of Two-Dimensional Fourier Series on the Group of 2-Adic Integers.
P-Adic Num Ultrametr Anal Appl. 14 (2), 116-137, 2022.

Páles, Z.: A maximum theorem for generalized convex functions.
Stud. Univ. Babes-Bolyai, Math. 67 (1), 21-29, 2022.

Boros, Z., Menzer, R.: An alternative equation for generalized monomials.
Aequ. Math. 97 113-120, 2022.

Páles, Z., Zakaria, A.: An Extension of the Abel-Liouville Identity.
Annales Mathematicae Silesianae 36 (2), 206-214, 2022.

Fazekas, B., Pacella, F., Plum, M.: Approximate nonradial solutions for the Lane-Emden problem in the ball.
Advances in Nonlinear Analysis 11 (1), 268-284, 2022.

Boros, Z., Iqbal, M., Száz, Á.: A relational improvement of a true particular case of Fierro's maximality theorem.
Filomat. 36 7091-7101, 2022.

Gselmann, E.: A STEM tanításának és tanulásának aktuális kérdései: Bevezető=Introduction.
Ma.Tud. 183 (11), 1375-1382, 2022.

Molnár, G.: Az egyértelmű cáfolata magasabb dimenzióban.
Debr. szle. 30 (1), 105-107, 2022.

Rassias, T., Salih, M., Száz, Á.: Characterizations and Set Theoretic Properties of Some Generalized Open and Fat sets in Relator Spaces.
In: Mathematical Analysis, Optimization, Approximation and Applications, World Scientific, Singapore, "Accepted by publisher", 1-96, 2022.

Boros, Z., Garda-Mátyás, E.: Conditional equations for monomial functions.
Publ. Math. Debr. 100 (3-4), 263-276, 2022.

Páles, Z., Shihab, M.: Decomposition of higher-order Wright convex functions revisited.
Results Math. 77 (2), 1-11, 2022.

Khan, F., Khalid, M., Al-Moneef, A., Ali, A., Bazighifan, O.: Freelance Model with Atangana-Baleanu Caputo Fractional Derivative.
Symmetry. 14 (11), 1-13, 2022.

Acharjee, S., Rassias, T., Száz, Á.: Galois and Pataki Connections for Ordinary Functions and Super Relations.
Electronic Journal of Mathematics 4 46-99, 2022.

Bessenyei, M., Pénzes, E.: Generalized fractals in semimetric spaces.
Nonlinear Anal.-Theory Methods Appl. 220 1-15, 2022.

Kocsis, M., Páles, Z.: Hutchinson's theorem in semimetric spaces.
J. Fixed Point Theory Appl. 24 (4), 1-19, 2022.

Grünwald, R., Páles, Z.: Local and global comparison of nonsymmetric generalized Bajraktarević means.
J. Math. Anal. Appl. 512 (2), 1-12, 2022.

Bessenyei, M., Maksa, G.: Mennyi a téglalap területe?.
Középisk. Mat. Fiz. Lapok. 72 (4), 194-198, 2022.

Fechner, Ż., Gselmann, E., Székelyhidi, L.: Moment functions of higher rank on polynomial hypergroups.
Adv. Oper. Theory. 7 (3), 1-9, 2022.

Sultana, M., Arshad, U., Ali, A., Bazighifan, O., Al-Moneef, A., Nonlaopon, K.: New Efficient Computations with Symmetrical and Dynamic Analysis for Solving Higher-Order Fractional Partial Differential Equations.
Symmetry. 14 (8), 1-16, 2022.

Bazighifan, O., Al-Moneef, A., Ali, A., Raja, T., Nonlaopon, K., Nofal, T.: New oscillation solutions of impulsive conformable partial differential equations.
AIMS Math. 7 (9), 16328-16348, 2022.

Yaseen, M., Ali, A., Al-Moneef, A., Bazighifan, O., Nofal, T., Ghanim, F.: New Results of Fixed-Point Theorems in Complete Metric Spaces.
Math. Probl. Eng. 2022 1-5, 2022.

Arshad, U., Sultana, M., Ali, A., Bazighifan, O., Al-Moneef, A., Nonlaopon, K.: Numerical Solutions of Fractional-Order Electrical RLC Circuit Equations via Three Numerical Techniques.
Mathematics. 10 (17), 1-16, 2022.

Molnár, G., Páles, Z.: On convex and concave sequences and their applications.
Math. Inequal. Appl. : 3 (3), 727-750, 2022.

Madhuri, V., Bazighifan, O., Ali, A., El-Mesady, A.: On Fuzzy F*-Simply Connected Spaces in Fuzzy F*-Homotopy.
J. Funct. space. 2022 1-6, 2022.

Grünwald, R., Páles, Z.: On the invariance of the arithmetic mean with respect to generalized Bajraktarević means.
Acta Math. Hung. 166 (2), 594-613, 2022.

Blahota, I., Gát, G.: On the Rate of Approximation by Generalized de la Vallee Poussin Type Matrix Transform Means of Walsh-Fourier Series.
P-Adic Num Ultrametr Anal Appl. 14 (Suppl.), S59-S73, 2022.

Rassias, T., Száz, Á.: Ordinary, Super and Hyper Relators Can Be Used To Treat the Various Generalized Open Sets in a Unified Way.
In: Approximation and Computation in Science and Engineering / N.J. Dars; Th.M. Rassias (Eds.), Springer Nature, Switzerland, 709-782, 2022. ISBN: 9783030841225

Gselmann, E.: Polynomial identities satisfied by generalized polynomials.
Publ. Math. Debr. 101 (3-4), 421-450, 2022.

Kiss, T.: Regular solutions of a functional equation derived from the invariance problem of Matkowski means.
Aequ. Math. 96 (5), 1089-1124, 2022.

Rassias, T., Salih, M., Száz, Á.: Set-theoretic Properties of Generalized Topologically Open Sets in Relator Spaces.
In: Mathematical Analysis in Interdisciplinary Research, Springer, Natural Switzeland, 661-730, 2022.

Fechner, Ż., Gselmann, E., Székelyhidi, L.: Spectral synthesis via moment functions on hypergroups.
Forum Math. 34 (5), 1187-1197, 2022.

Gát, G., Goginava, U.: The Walsh-Fourier Transform on the Real Line.
J. Contemp. Math. Anal.-Armen. Aca. 57 (4), 205-214, 2022.

Gselmann, E., Solymosi, K.: A felsőoktatás diverzitásának növeléséhez alapvető szemléletváltásra van szükség = A Fundamental Change in Mindset Is Needed to Increase the Diversity in Higher Education.
Ma.Tud. 182 (11), 1451-1476, 2021.

Rassias, T., Száz, Á.: A general framework for studying certain generalized topologically open sets in relator spaces.
In: Nonlinear Analysis, Differential Equations, and Applications. Ed.: Themistocles M. Rassias, Springer Cham, Switzerland, 415-491, 2021. ISBN: 9783030725631

Molnár, G., Páles, Z.: An extension of the Rådström cancellation theorem to cornets.
Semigr. Forum. 102 (3), 765-793, 2021.

Rassias, T., Száz, Á.: Basic tools and continuity-like properties in relator spaces.
Contrib. Math. 3 77-106, 2021.

Rassias, T., Salih, M., Száz, Á.: Characterizations of Generalized Topologically Open Sets in Relator Spaces.
Montes Taurus J. Pure Appl. Math. 3 (3), 39-94, 2021.

Boros, Z., Tóth, P.: Interval chains and completeness in ultrapowers of ordered sets.
University of Debrecen, Institute of Mathematics and Faculty of Informatics, Debrecen, 10 p., 2021.

Fechner, Ż., Gselmann, E., Székelyhidi, L.: Moment Functions on Groups.
Results Math. 76 (4), 1-16, 2021.

Gát, G., Tilahun, A.: Multi-parameter setting (C,α) means with respect to one dimensional Vilenkin system.
Filomat. 35 (12), 4121-4133, 2021.

Páles, Z., Pasteczka, P.: New bounds for the ratio of power means.
J. Math. Inequal. : 3 (3), 1233-1237, 2021.

Grünwald, R., Páles, Z.: On additive functions with additional derivation properties.
Publ. Math. Debr. 99 (1-2), 201-221, 2021.

Kiss, T.: On the balancing property of Matkowski means.
Aequ. Math. 95 (1), 75-89, 2021.

Bálint, E., Csuka, D., Venglovecz, V., Schlosser, G., Lázár, Z., Gselmann, E., Alpár, D., Solymosi, K.: Six reasons to launch a Young Academy.
Nature. 594 599-601, 2021.

Páles, Z.: Aczél János élete és munkássága.
Érintő. 2020 (16), 1, 2020.

Fechner, W., Száz, Á.: Composition iterates, Cauchy, translation, and Sincov inclusions.
Acta Universitatis Sapientiae: Mathematica 12 (1), 54-84, 2020.

Páles, Z., Zakaria, A.: Equality and homogeneity of generalized integral means.
Acta math. Hung. 160 412-443, 2020.

Salih, M., Száz, Á.: Generalizations of some ordinary and extreme connectedness properties of topological spaces to relator spaces.
Electron. Res. Arch. 28 (1), 471-548, 2020.

Gát, G., Tilahun, A.: On almost everywhere convergence of the generalized Marcienkiwicz means with respect to two dimensional Vilenkin-like systems.
Miskolc Math. Notes. 21 (2), 823-840, 2020.

Páles, Z., Pasteczka, P.: On Hardy type inequalities for weighted quasideviation means.
Math. Inequal. Appl. 23 (3), 971-990, 2020.

Páles, Z., Zakaria, A.: On the equality of Bajraktarević means to quasi-arithmetic means.
Results Math. 75 19, 2020.

Száz, Á.: Birelator spaces are natural generalizations of not only bitopological spaces, but also ideal topological spaces.
In: Mathematical Analysis and Applications. Szerk.: Themistocles M. Rassias, Panos M. Pardalos, Springer International Publishing Ag, Cham, 543-586, 2019, (Springer Series in Optimization and its Applications, ISSN 1931-6828 ; 154) ISBN: 9783030313395

Gselmann, E.: Characterizations of derivations.
Diss. Math. 539 1-65, 2019.

Száz, Á.: Galois and Pataki Connections on Generalized Ordered Sets.
EJMS. 2 283-323, 2019.

Gaál, M., Nagy, G., Szokol, P.: Isometries on Positive Definite Operators with Unit Fuglede-Kadison Determinant.
Taiwan. J. Math. 23 (6), 1423-1433, 2019.

Vati, K., Székelyhidi, L.: Moment functions on hypergroup joins.
Advances in Pure and Applied Mathematics 10 (3), 215-220, 2019.

Páles, Z., Pasteczka, P.: On Hardy-type inequalities for weighted means.
Banach J. Math. Anal. 13 (1), 217-233, 2019.

Gát, G.: On the convergence of Fejér means of some subsequences of partial sums of Walsh-Fourier series.
Annales Univ. Sci. Budapest., Sect. Comp. 49 187-198, 2019.

Páles, Z., Zakaria, A.: On the invariance equation for two-variable weighted nonsymmetric Bajraktarević means.
Aequ. Math. 93 (1), 37-57, 2019.

Páles, Z., Székelyné Radácsi, É.: A new characterization of convexity with respect to Chebyshev systems.
J. Math. Inequal. 12 (3), 605-617, 2018.

Kiss, T., Páles, Z.: On a functional equation related to two-variable weighted quasi-arithmetic means.
J. Differ. Equ. Appl. 24 (1), 107-126, 2018.

Grünwald, R., Páles, Z.: On derivations with respect to finite sets of smooth functions.
Acta math. Hung. 154 (2), 530-544, 2018.

Páles, Z., Pasteczka, P.: On Kedlaya-type inequalities for weighted means.
J. Inequal. Appl. 2018 (1), 1-22, 2018.

Gát, G., Goginava, U.: Subsequences of triangular partial sums of double Fourier series on unbounded Vilenkin groups.
Filomat. 32 (11), 3769-3778, 2018.

Olbryś, A., Páles, Z.: Support theorems in abstract settings.
Publ. Math. Debr. 93 (1-2), 215-240, 2018.

Gaál, M., Nagy, G.: Transformations on Density Operators Preserving Generalised Entropy of a Convex Combination.
Bull. Aust. Math. Soc. 98 (1), 102-108, 2018.

Bessenyei, M., Páles, Z.: A contraction principle in semimetric spaces.
J. Nonlinear Convex Anal. 18 (3), 515-524, 2017.

Boros, Z., Nagy, N.: Approximate convexity with respect to a subfield.
Acta Math. Hung. 152 (2), 464-472, 2017.

Gilányi, A., González, C., Nikodem, K., Páles, Z.: Bernstein-Doetsch type theorems with Tabor type error terms for set-valued maps.
Set-Valued Var. Anal. 25 (2), 441-462, 2017.

Zakaria, A.: Erratum to "new approach for closure spaces by relations".
Acta Math. Acad. Paedag. Nyíregyh. 33 115-116, 2017.

Székelyhidi, L., Kedumetse, V.: Functional equations on hypergroup joins.
Arch. Math. 109 (1), 41-47, 2017.

Boros, Z., Száz, Á.: Generalized Schwarz inequalitiesfor generalized semi-inner products on groupoidscan be derived from an equality.
Novi Sad J. Math. 47 (1), 177-188, 2017.

Zakaria, A.: Measuring Soft Roughness of Soft Rough Sets Induced by Covering.
In: Thriving Rough Sets. Ed.: Guoyin Wang, Andrzej Skowron, Yiyu Yao, Dominik Dominik Ślęzak, Lech Polkowski, Springer International Publishing Ag, Cham, 269-281, 2017, (Studies in Computational Intelligence, ISSN 1860-949X) ISBN: 9783319855332

Gát, G., Goginava, U.: Norm convergence of double Fourier series on unbounded Vilenkin groups.
Acta math. Hung. 152 (1), 201-216, 2017.

Páles, Z., Zakaria, A.: On the local and global comparison of generalized Bajraktarević means.
J. Math. Anal. Appl. 455 (1), 792-815, 2017.

Kiss, T., Páles, Z.: Reducible means and reducible inequalities.
Aequ. Math. 91 (3), 505-525, 2017.

Gaál, M., Molnár, L.: Transformations on density operators and on positive definite operators preserving the quantum Rényi divergence.
Period. Math. Hung. 74 (1), 88-107, 2017.

Gselmann, E., Páles, Z.: Additive solvability and linear independence of the solutions of a system of functional equations.
Acta Sci. Math. 82 (12), 101-110, 2016.

Kertész, D., Lovas, R.: A generalization and short proof of a theorem of Hano on affine vector fields.
SUT journal of Mathematics. 53 (2), 83-87, 2016.

Fechner, Ż., Székelyhidi, L.: A generalization of Gajda's equation on commutative topological groups.
Publ. Math. Debr. 88 (1-2), 163-176, 2016.

Páles, Z.: A general mean value theorem.
Publ. Math. Debr. 89 (1-2), 161-172, 2016.

Páles, Z., Pasteczka, P.: Characterization of the Hardy property of means and the best Hardy constants.
Math. Inequal. Appl. 19 (4), 1141-1158, 2016.

Páles, Z., Székelyné Radácsi, É.: Characterizations of higher-order convexity properties with respect to Chebyshev systems.
Aequ. Math. 90 (1), 193-210, 2016.

Almira, J., Székelyhidi, L.: Erratum to: On the Closure of Translation-Dilation Invariant Linear Spaces of Polynomials.
Results Math. 69 (1-2), 273-274, 2016.

Zakaria, A., John, S., El-Sheikh, S.: Generalized rough multiset via multiset ideals.
J. Intell. Fuzzy Syst. 30 (3), 1791-1802, 2016.

Kiss, T., Páles, Z.: Implications between generalized convexity properties of real functions.
J. Math. Anal. Appl. 434 1852-1874, 2016.

Botelho, F., Molnár, L., Nagy, G.: Linear bijections on von Neumann factors commuting with (lambda)-Aluthge transform.
Bull. London Math. Soc. 48 (1), 74-84, 2016.

Gát, G.: Marcinkiewicz-like means of two dimensional Vilenkin-Fourier series.
Publ. Math. Debr. 89 (3), 331-346, 2016.

Száz, Á., Zakaria, A.: Mild Continuity Properties of Relations and Relators in Relator Spaces.
In: Essays in Mathematics and its Applications. Ed.: Themistocles M. Rassias, Panos M. Pardalos, Springer International Publishing Ag, Cham, 439-511, 2016. ISBN: 9783319313368

Kandil, A., El-Tantawy, O., El-Sheikh, S., Zakaria, A.: On I-proximity spaces.
Appl. Math. Inf. Sci. Lett. 4 (2), 79-84, 2016.

Glavosits, T., Lajkó, K.: Pexiderization of some logarithmic functional equations.
Publ. Math. Debr. 89 (3), 355-364, 2016.

Dolinar, G., Kuzma, B., Nagy, G., Szokol, P.: Restricted skew-morphisms on matrix algebras.
Linear Alg. Appl. 490 1-17, 2016.

Molnár, L., Nagy, G.: Spectral Order Automorphisms on Hilbert Space Effects and Observables: The 2-Dimensional Case.
Lett. Math. Phys. 106 (4), 535-544, 2016.

Székelyhidi, L., Vajday, L.: Spectral synthesis on commutative hypergroups.
Annales Univ. Sci. Budapest., Sect. Comp. 45 111-117, 2016.

Gselmann, E., Kelemen, A.: Stability in the class of first order delay differential equations.
Miskolc Math. Notes. 17 (1), 281-291, 2016.

Bessenyei, M.: The contraction principle in extended context.
Publ. Math. Debr. 89 (3), 287-295, 2016.

Daróczy, Z., Maksa, G.: The dilogarithm function and the Abel functional equation.
Publ. Math. Debr. 89 (3), 321-330, 2016.

Száz, Á.: Two Natural Generalizations of Cocycles.
J. Int. Math. Virt. Inst. 6 66-86, 2016.

Gselmann, E.: Additive functions and their actions on certain elementary functions.
Math. Inequal. Appl. 18 (3), 1037-1045, 2015.

Matkowski, J., Páles, Z.: Characterization of generalized quasi-arithmetic means.
Acta Sci. Math. 81 (3-4), 447-456, 2015.

Gilányi, A., Merentes, N., Nikodem, K., Páles, Z.: Characterizations and decomposition of strongly Wright-convex functions of higher order.
Opuscula Math. 35 (1), 37-46, 2015.

Jarczyk, W., Páles, Z.: Convexity and a Stone-type theorem for convex sets in abelian semigroup setting.
Semigr. Forum. 90 (1), 207-219, 2015.

Maksa, G., Páles, Z.: Convexity with respect to families of means.
Aequ. Math. 89 (1), 161-167, 2015.

Boros, Z., Nagy, N.: Generalized Rolewicz theorem for convexity of higher order.
Math. Inequal. Appl. 18 (4), 1275-1281, 2015.

Nagy, G.: Isometries of the spaces of self-adjoint traceless operators.
Linear Alg. Appl. 484 1-12, 2015.

Gselmann, E.: Jordan triple mappings on positive definite matrices.
Aequ. Math. 89 (3), 629-639, 2015.

Gselmann, E.: On a discrete version of the wave equation.
Aequ. Math. 89 (1), 63-70, 2015.

Gilányi, A., Merentes, N., Nikodem, K., Páles, Z.: On higher-order convex functions with a modulus.
Grazer Math. Ber. 363 66-74, 2015.

Szokol, P., Tsai, M., Zhang, J.: Preserving problems of geodesic-affine maps and related topics on positive definite matrices.
Linear Alg. Appl. 483 293-308, 2015.

Lovas, R., Mező, I.: Some observations on the Furstenberg topological space.
Elem. Math. 70 (3), 103-116, 2015.

Molnár, L., Szokol, P.: Transformations on positive definite matrices preserving generalized distance measures.
Linear Alg. Appl. 466 141-159, 2015.

Molnár, L., Szokol, P.: Transformations Preserving Norms of Means of Positive Operators and Nonnegative Functions.
Integr. Equ. Oper. Theory. 83 (2), 271-290, 2015.

Molnár, L.: Two characterizations of unitary-antiunitary similarity transformations of positive definite operators on a finite dimensional Hilbert space.
Ann. Univ. Sci. Bp. Rolando Eötvös Nomin., Sect. comput. 58 83-93, 2015.

Gselmann, E.: Approximate derivations of order n.
Acta Math. Hung. 144 (1), 217-226, 2014.

González, C., Nikodem, K., Páles, Z., Roa, G.: Bernstein-Doetsch type theorems for set-valued maps of strongly and approximately convex and concave type.
Publ. Math.-Debr. 84 (1-2), 229-252, 2014.

Glavosits, T., Száz, Á.: Contructions and extensions of free and controlled additive relations.
In: Handbook of functional equations. Ed.: Themistocles M Rassias, Springer Science+Business Media, New York, 161-208, 2014. ISBN: 9781493912452

Glavosits, T., Száz, Á.: Divisible and cancellable subsets of groupoids.
Ann. Math. Inform. 43 67-91, 2014.

Molnár, L., Szokol, P.: Kolmogorov-Smirnov isometries of the space of generalized distribution functions.
Math. Slovaca. 64 (2), 433-444, 2014.

Kandil, A., El-Tantawy, O., El-Sheikh, S., Zakaria, A.: New structures of proximity spaces.
Inf. Sci. Lett. 3 (2), 85-89, 2014.

Gselmann, E., Maksa, G.: Some Functional Equations Related to the Characterizations of Information Measures and Their Stability.
In: Handbook of Functional Equations. Ed.: Themistocles M. Rassias, Springer, New York, 199-241, 2014. ISBN: 9781493912858

Gselmann, E.: Stability properties in some classes of second order partial differential equations.
Results Math. 65 (1-2), 95-103, 2014.

Székelyhidi, L.: A characterization of exponential polynomials.
Publ. Math.-Debr. 83 (4), 757-771, 2013.

Botelho, F., Jamison, J., Molnár, L.: Algebraic reflexivity of isometry groups and automorphism groups of some operator structures.
J. Math. Anal. Appl. 408 (1), 177-195, 2013.

Száz, Á.: An easy to remember, economic approach to the Riccati equation.
Math. stud. 82 1-12, 2013.

Száz, Á.: An extension of an additive selection theorem of Z. Gajda and R. Ger to vector relator spaces.
Sci. Ser. A. Math. Sci. 24 33-54, 2013.

Száz, Á.: An instructive treatment and some natural extensions of a set-valued function of Páles.
Math. Pannon. 24 (1), 77-108, 2013.

Makó, J., Páles, Z.: Approximate Hermite-Hadamard type inequalities for approximately convex functions.
Math. Inequal. Appl. 16 (2), 507-526, 2013.

Boros, Z., Nagy, N.: Approximately convex functions.
Annales Univ. Sci. Budapest., Sect. Comp. 40 143-150, 2013.

Dolinar, G., Molnár, L.: Automorphisms for the logarithmic product of positive semidefinite operators.
Linear Multilinear Algebra. 61 (2), 161-169, 2013.

Lajkó, K., Mészáros, F., Pap, G.: Characterization of bivariate distributions with conditionals of the same type.
Annales Univ. Sci. Budapest., Sect. Comp. 41 73-84, 2013.

Szilasi, J., Lovas, R., Kertész, D.: Connections, sprays and Finsler structures.
World Scientific Publishing Co., Hackensack, NJ, 709 p., 2013. ISBN: 9789814440097

Bessenyei, M., Szokol, P.: Convex separation by regular pairs.
J. Geom. 104 (1), 45-56, 2013.

Gselmann, E.: Derivations and linear functions along rational functions.
Monatsh. Math. 169 (3-4), 2013.

Székelyhidi, L.: Exponential polynomials on commutative hypergroups.
Arch. Math. 101 (4), 341-347, 2013.

Székelyhidi, L.: Functional Equations on Hypergroups.
World Scientific, Singapore ;, xvii, 191 p., 2013. ISBN: 9789814407007

Lajkó, K., Mészáros, F.: General solution of a functional equation arisen from characterization problems.
Annales Univ. Sci. Budapest., Sect. Comp. 39 291-302, 2013.

Száz, Á.: Inclusions for compositions and box products of relations.
J. Int. Math. Virt. Inst. 3 97-125, 2013.

Nagy, G.: Isometries on positive operators of unit norm.
Publ. Math.-Debr. 82 (1), 183-192, 2013.

Páles, Z., Petre, I.: Iterative fixed point theorems in E-metric spaces.
Acta Math. Hung. 140 (1-2), 2013.

Molnár, L.: Jordan triple endomorphisms and isometries of unitary groups.
Linear Alg. Appl. 439 (11), 3518-3531, 2013.

Páles, Z., Székelyhidi, L.: Laudation to Zoltán Daróczy.
Annales Univ. Sci. Budapest., Sect. Comp. 40 9-20, 2013.

Száz, Á.: Lower semicontinuity properties of relations in relator spaces.
Adv. Stud. Contemp. Math. 23 107-158, 2013.

Molnár, L., Nagy, G., Szokol, P.: Maps on density operators preserving quantum f -divergences.
Quantum Inf Process. 12 (7), 2309-2323, 2013.

Maksa, G.: On additive functions which differentiate elementary functions in some sense.
Annales Univ. Sci. Budapest., Sect. Comp. 41 125-136, 2013.

Daróczy, Z., Páles, Z.: On an elementary inclusion problem and generalized weighted quasi-arithmetic means.
Banach Cent. publ. 99 45-54, 2013.

Makó, J., Páles, Z.: On approximately convex Takagi type functions.
Proc. Amer. Math. Soc. 141 (6), 2069-2080, 2013.

Székelyhidi, L., Vajday, L.: On conditional functional equations with applications on hypergroups.
Annales Univ. Sci. Budapest., Sect. Comp. 41 323-332, 2013.

Gselmann, E.: On some classes of partial difference equations.
Annales Univ. Sci. Budapest., Sect. Comp. 40 285-294, 2013.

Páles, Z.: On Wright- but not Jensen-convex functions of higher order.
Annales Univ. Sci. Budapest., Sect. Comp. 41 227-234, 2013.

Chmieliński, K., Ger, R., Páles, Z., Zdun, M., Brzdȩk, J.: Recent developments in functional equations and inequalities.
Polish Academy of Sciences, Institute of Mathematics, Warsawa, 215 p., 2013. ISBN: 9788386806188

Bessenyei, M., Szokol, P.: Separation by convex interpolation families.
J. Convex Anal. 20 (4), 937-946, 2013.

Bessenyei, M., Kézi, C.: Solving functional equations via finite substitutions.
Aequ. Math. 85 (3), 593-600, 2013.

Baják, S., Páles, Z.: Solving invariance equations involving homogeneous means with the help of computer.
Appl. Math. Comput. 219 (11), 6297-6315, 2013.

Székelyhidi, L.: Spectral synthesis problems on hypergroups.
Annales Univ. Sci. Budapest., Sect. Comp. 39 439-447, 2013.

Gselmann, E.: Stability and information functions.
Scholars' Press, Saarbrücken, 96 p., 2013. ISBN: 9783639705546

Botelho, F., Jamison, J., Molnár, L.: Surjective isometries on Grassmann spaces.
J. Funct. Anal. 265 (10), 2226-2238, 2013.

Székelyhidi, L.: The Levi-Civita equation, vector modules and spectral synthesis.
In: Recent Developments in Functional Equations and Inequalities. Ed.: Janusz Brzdęk, Jacek Chmieliński, Krzysztof Ciepliński, Roman Ger, Zsolt Páles, Marek Cezary Zdun, Banach Center Publications, Warsaw, 193-206, 2013, (Banach Center Publications, ISSN 0137-6934 ; 99.) ISBN: 9788386806188

Száz, Á.: A common generalization of the postman, radial and river metrics.
Rostock. Math. Kolloq. 67 89-125, 2012.

Székelyhidi, L., Vajday, L.: A moment problem on some types of hypergroups.
Ann. Funct. Anal. 3 (2), 58-65, 2012.

Száz, Á.: An instructive treatment of convergence, closure, and orthogonality in semi-inner product spaces.
University of Debrecen, Institute of Mathematics and Informatics, Debrecen, 29 p., 2012.

Fazekas, B.: Computer-assisted enclosures for fourth order elliptic equations.
Südwestdeutscher Verlag für Hochschulschriften, Saarbrücken, 145 p., 2012. ISBN: 9783838118345

Szilasi, J., Tóth, A.: Curvature collineations in spray manifolds.
Balk. J. Geom. Appl. 17 (2), 104-114, 2012.

Bessenyei, M., Horváth, G., Kézi, C.: Functional equations on finite groups of substitutions.
Expo. Math. 30 (3), 283-294, 2012.

Székelyhidi, L., Vajday, L.: Functional equations on the SU(2)-hypergroup.
Math. Pannon. 23 (2), 187-193, 2012.

Száz, Á.: Galois-type connections and continuities of pairs of relations.
J. Int. Math. Virt. Inst. 2 39-66, 2012.

Wlodzimierz, F., Gselmann, E.: General and alien solutions of a functional equation and of a functional inequality.
Publ. Math.-Debr. 80 (1-2), 143-154, 2012.

Páles, Z., Makó, J.: Implications between approximate convexity properties and approximate Hermite-Hadamard inequalities.
Cent. Eur. J. Math. 10 (3), 1017-1041, 2012.

Hatori, O., Hirasawa, G., Miura, T., Molnár, L.: Isometries and maps compatible with inverted Jordan triple products on groups.
Tokyo j. math. 35 (2), 385-410, 2012.

Molnár, L., Nagy, G.: Isometries and relative entropy preserving maps on density operators.
Linear Multilinear Algebra. 60 (1), 93-108, 2012.

Hatori, O., Molnár, L.: Isometries of the unitary group.
Proc. Amer. Math. Soc. 140 (6), 2127-2140, 2012.

Makó, J., Páles, Z.: Korovkin type theorems and approximate Hermite-Hadamard inequalities.
J. Approx. Theory. 164 (8), 1111-1142, 2012.

Lajkó, K., Mészáros, F.: Multiplicative type functional equations arising from characterization problems.
Aequ. Math. 83 (3), 199-208, 2012.

Székelyhidi, L.: Noetherian rings of polynomial functions on Abelian groups.
Aequ. Math. 84 (1-2), 41-50, 2012.

Gselmann, E.: Notes on the characterization of derivations.
Acta Sci. Math. 78 (1-2), 137-145, 2012.

Makó, J., Páles, Z.: On [varphi]-convexity.
Publ. Math.-Debr. 80 (1-2), 107-126, 2012.

Járai, A., Lajkó, K., Mészáros, F.: On measurable functions satisfying multiplicative type functional equations almost everywhere.
In: Inequalities and Applications 2010. Ed.: Catherine Bandle, Attila Gilányi, László Losonczi, Michael Plum, Birkhäuser, Basel, 241-253, 2012. ISBN: 9783034802482

Makó, J., Nikodem, K., Páles, Z.: On strong ([alpha],F)-convexity.
Math. Inequal. Appl. 15 (2), 289-299, 2012.

Székelyhidi, L.: Polynomial functions and spectral synthesis on Abelian groups.
Banach J. Math. Anal. 6 (1), 124-131, 2012.

Bessenyei, M., Páles, Z.: Separation by linear interpolation families.
J. nonlinear convex anal. 13 (1), 49-56, 2012.

Dolinar, G., Molnár, L.: Sequential endomorphisms of finite-dimensional Hilbert space effect algebras.
J. Phys. A-Math. Theor. 45 (6), 11, 2012.

Székelyhidi, L., Vajday, L.: Spectral analysis and moment functions.
J. Inform. Math. Sci. 4 (2), 185-188, 2012.

Székelyhidi, L.: Spectral analysis and spectral synthesis.
In: Nonlinear analysis : Stability, Approximation, and Inequalities. Eds.: Panos M. Pardalos, Pando G. Georgiev. Hari M. Srivastava, Springer, New York, 707-719, 2012. ISBN: 9781461434979

Száz, Á.: The Hyers-Ulam and Hahn-Banach theorems and some elementary operations on relations motivated by their set-valued generalizations.
In: Nonlinear Analysis : Stability, Approximation, and Inequalities. Ed.: P. M. Pardalos, P. G. Georgiev, H. M. Srivastava, Springer, New York, 631-705, 2012, (Springer Optimization and Its Applications ; 68.) ISBN: 9781461434979

Molnár, L., Šemrl, P.: Transformations of the unitary group on a Hilbert space.
J. Math. Anal. Appl. 388 (2), 1205-1217, 2012.

Maksa, G., Páles, Z.: Wigner's theorem revisited.
Publ. Math.-Debr. 81 (1-2), 243-249, 2012.

Gselmann, E., Maksa, G.: A characterization of the relative entropies.
Annales Univ. Sci. Budapest., Sect. Comp. 35 151-162, 2011.

Brzdȩk, J., Chudziak, J., Páles, Z.: A fixed point approach to stability of functional equations.
Nonlinear Anal. 74 (17), 6728-6732, 2011.

Glavosits, T., Száz, Á.: A Hahn-Banach type generalization of the Hyers-Ulam theorem.
An. Şt. Univ. Ovidius Constanţa, Ser. Mat. 19 (1), 139-144, 2011.

Daróczy, Z.: Antal Járai has turned 60.
Annales Univ. Sci. Budapest., Sect. Comp. 35 11-12, 2011.

Nikodem, K., Páles, Z.: Characterizations of inner product spaces by strongly convex functions.
Banach J. Math. Anal. 5 (1), 83-87, 2011.

Csabay, K., Daragó, J.: Combinatorics Teaching Experiment.
Teach. Math. Comp. Sci. 9 (1), 27-44, 2011.

Molnár, L.: Continuous maps on matrices transforming geometric mean to arithmetic mean.
Annales Univ. Sci. Budapest., Sect. Comp. 35 217-222, 2011.

Gselmann, E.: Entropy functions and functional equations.
Math. commun. 16 (2), 347-357, 2011.

Losonczi, L., Páles, Z.: Equality of two-variable functional means generated by different measures.
Aequ. Math. 81 (1-2), 31-53, 2011.

Székelyhidi, L.: Fourier transform for mean periodic functi.
Ann. Univ. Sci. Budapest. Sect. Comput. 35 267-284, 2011.

Mészáros, F., Lajkó, K.: Functional equations and characterization problems.
VDM Verlag Dr. Müller, Saarbrücken, 107 p., 2011. ISBN: 9783639309140

Bessenyei, M., Kézi, C.: Functional equations and group substitutions.
Linear Alg. Appl. 434 (6), 1525-1531, 2011.

Molnár, L., Molnár, L.: Kolmogorov-Smirnov isometries and affine automorphisms of spaces of distribution functions.
Cent. Eur. J. Math. 9 (4), 789-796, 2011.

Molnár, L.: Lévy isometries of the space of probability distribution functions.
J. Math. Anal. Appl. 380 (2), 847-852, 2011.

Losonczi, L., Páles, Z.: Minkowski-type inequalities for means generated by two functions and a measure.
Publ. Math. 78 (3-4), 743-753, 2011.

Glavosits, T., Kézi, C.: On the domain of oddness of an infimal convolution.
Miskolc. Math. Notes. 12 (1), 31-40, 2011.

Daróczy, Z.: On the equality and comparison problem of a class of mean values.
Aequ. Math. 81 (3), 201-208, 2011.

Páles, Z.: On the equality of quasi-arithmetic means and Lagrangian means.
J. Math. Anal. Appl. 382 (1), 86-96, 2011.

Molnár, L.: Order automorphisms on positive definite operators and a few applications.
Linear Alg. Appl. 434 (10), 2158-2169, 2011.

Száz, Á.: Sets and posets with inversions.
Publ. Inst. Math. (Belgr.). 90 (104), 111-123, 2011.

Száz, Á.: Set theoretic operations on box and totalization relations.
Int. j. math. sci. appl. 1 (1), 19-41, 2011.

Szilasi, J., Lovas, R., Kertész, D.: Several ways to a Berwald manifold and some steps beyond.
Extr. Math. 26 (1), 89-130, 2011.

Makó, J., Páles, Z.: Strengthening of strong and approximate convexity.
Acta Math. Hung. 132 (1-2), 78-91, 2011.

Maksa, G., Páles, Z.: The equality case in some recent convexity inequalities.
Opuscula math. 31 (2), 273-281, 2011.

Glavosits, T., Száz, Á.: The generalized infimal convolution can be used naturally prove some dominated monotone additive extension theorems.
Ann. Math. Sil. 25 67-100, 2011.

Molnár, L., Timmermann, W.: Transformations on Bounded Observables Preserving Measure of Compatibility.
Int. J. Theor. Phys. 50 (12), 3857-3863, 2011.

Páles, Z., Zeidan, V.: V-Jacobian and V-co-Jacobian for Lipschitzian maps.
Discret. Contin. Dyn. Syst. 29 (2), 623-646, 2011.

Mészáros, F.: A functional equation and its application to the characterization of gamma distributions.
Aequ. Math. 79 (1-2), 53-59, 2010.

Glavosits, T., Kézi, C.: A Hahn-Banach féle kiterjesztés egyértelműségének karakterizációja infimális konvolúció alkalmazásával.
In: Bolyai János Emlékkonferencia halálának 150. évfordulója alkalmából. Szerk.: PE MIK, Bolyai János Emlékkonferencia Szerkesztő és Program Bizottsága, Marosvásárhely ; Budapest, 39, 2010.

Száz, Á.: An Altman type generalizations of ordering and maximality principles of the Brézis, Browder and Brøndsted.
Adv. Stud. Contemp. Math. 20 595-620, 2010.

Gselmann, E., Száz, Á.: An instructive treatment of a generalization of Găvruţă's stability theorem.
Sarajevo j. math. 6 (18), 3-21, 2010.

Makó, J., Páles, Z.: Approximate convexity of Takagi type functions?.
J. Math. Anal. Appl. 369 (2), 545-554, 2010.

Száz, Á.: A relational reformulation of the Phelps-Cardwell lemma.
University of Debrecen, Institute of Mathematics, Debrecen, 13 p., 2010.

Bessenyei, M., Páles, Z.: Characterization of higher-order monotonicity via integral inequalities.
Proc. R. Soc. Edinb. Sect. A-Math. 140 (04), 723-736, 2010.

Páles, Z., Zeidan, V.: Co-Jacobian for Lipschitzian Maps.
Set-Valued Anal. 18 (1), 57-78, 2010.

Baják, S., Páles, Z.: Computer aided solution of the invariance equation for two-variable Stolarsky means.
Appl. Math. Comput. 216 (11), 3219-3227, 2010.

Glavosits, T., Száz, Á.: Constructions and extensions of free and controlled additive relations.
University of Debrecen, Institute of Mathematics, Debrecen, 49 p., 2010.

Vajday, L.: Exponential monomials on Sturm-Liouville hypergroups.
Banach J. Math. Anal. 4 (2), 139-146, 2010.

Száz, Á.: Foundations of the theory of vector relators.
Adv. Stud. Contemp. Math. 20 139-195, 2010.

Bessenyei, M.: Functional Equations and Finite Groups of Substitutions.
Am. Math. Mon. 117 (10), 921-927, 2010.

Figula, Á., Száz, Á.: Graphical relationships between the infimum and intersection convolutions.
Math. Pannon. 21 (1), 23-35, 2010.

Lovas, R., Szilasi, J.: Homotheties of Finsler manifolds.
SUT J. Math. 46 (1), 23-34, 2010.

Csabay, K., Daragó, J.: How long is the diagonal of a square?.
In: New trends in humanities and science in the Eastern European Region / Stanisaw Lipinski, Academy of professional development and re-training of educators, Moszkva, 59-78, 2010. ISBN: 978584296179

Boros, Z., Gselmann, E.: Hyers-Ulam stability of derivations and linear functions.
Aequ. Math. 80 (1-2), 13-25, 2010.

Száz, Á.: Inclusions on box and totalization relations.
University of Debrecen, Institute of Mathematics, Debrecen, 8 p., 2010.

Molnár, L.: Linear maps on observables in von Neumann algebras preserving the maximal deviation.
J. Lond. Math. Soc.-Second Ser. 81 (1), 161-174, 2010.

Molnár, L., Szokol, P.: Maps on states preserving the relative entropy II.
Linear Alg. Appl. 432 (12), 3343-3350, 2010.

Nikodem, K., Páles, Z.: Minkowski sums of Cantor-type sets.
Colloq. Math. 119 (1), 95-108, 2010.

Daróczy, Z., Dascǎl, J.: On the Equality Problem of Conjugate Means.
Results. Math. 58 (1-2), 69-79, 2010.

Gselmann, E.: On the Stability of the Modified Entropy Equation.
Results. Math. 58 (3-4), 255-268, 2010.

Száz, Á.: Relation theoretic operations on box and totalization relations.
University of Debrecen, Institute of Mathematics, Debrecen, 22 p., 2010.

Maksa, G., Páles, Z.: Remarks on the comparison of weighted quasi-arithmetic means.
Colloq. Math. 120 (1), 77-84, 2010.

Száz, Á.: Set theoretic operations on box and totalization relations.
University of Debrecen, Institute of Mathematics, Debrecen, 8 p., 2010.

Székelyhidi, L., Vajday, L.: Spectral analysis on commutative hypergroups.
Aequ. Math 80 (1-2), 223-226, 2010.

Székelyhidi, L.: Spectral synthesis problems on locally compact groups.
Monatsh. Math. 161 (2), 223-232, 2010.

Gselmann, E.: Stability of the entropy equation.
Publ. Math.-Debr. 77 (1-2), 201-210, 2010.

Maksa, G., Varga, A.: The equivalence of two functional equations involving the arithmetic mean, the geometric mean and their Gauss composition.
Aequ. Math. 80 (1-2), 173-179, 2010.

Glavosits, T., Száz, Á.: The generalized infimal convolution can be used to naturally prove some dominated monotone additive extension theorems.
University of Debrecen, Institute of Mathematics, Debrecen, 26 p., 2010.

Bessenyei, M.: The Hermite-Hadamard inequality in Beckenbach's setting?.
J. Math. Anal. Appl. 364 (2), 366-383, 2010.

Száz, Á.: The infimal convolution can be used to derive extension theorems from the sandwich ones.
Acta Sci. Math. 76 (3-4), 489-499, 2010.

Glavosits, T., Száz, Á.: The infimal convolution can be used to easily prove the classical Hahn-Banach theorem.
Rostock. Math. Kolloq. 65 71-83, 2010.

Száz, Á.: The intersection convolution of relations.
Creat. math. inform. 19 (2), 209-217, 2010.

Daróczy, Z., Páles, Z.: A characterization of nonconvexity and its applications in the theory of quasi-arithmetic means.
In: Inequalities and Applications : Conference on Inequalities and Applications, Noszvaj (Hungary), September 2007. Eds.: Catherine Bandle, László Losonczi, Attila Gilányi, Zsolt Páles and Michael Plum, Birkhauser Verlag, Basel, 251-260, 2009, (International Series of Numerical Mathematics ; 157.)

Mészáros, F.: A functional equation related to characterization problems.
Math. Pannon. 20 (1), 129-138, 2009.

Molnár, L., Timmermann, W.: A metric on the space of projections admitting nice isometries.
Studia Math. 191 (3), 271-281, 2009.

Buglyó, S., Száz, Á.: A more important Galois connection between distance functions and inequality relations.
Sci. Ser. A. Math. Sci. 18 17-38, 2009.

Száz, Á.: Applications of relations and relators in the extensions of stability theorems for homogeneous and additive functions.
Aust. J. Math. Anal. Appl. 6 (1), 1-66, 2009.

Nagy, G.: Commutativity preserving maps on quantum states.
Rep. Math. Phys. 63 (3), 447-464, 2009.

Baják, S., Páles, Z.: Computer aided solution of the invariance equation for two-variable Gini means.
Comput. Math. Appl. 58 (2), 334-340, 2009.

Fazekas, G., Mahdi, E.: Feature selection as an improving step for decision tree construction.
In: Proceedings of the 2009 International Conference on Machine Learning and Computing (ICMLC 2009) July 10-12, 2009, Perth, Australia. Ed.: Venkatesh Mahadevan, World Academic Union, Liverpool, 35-39, 2009.

Lajkó, K., Mészáros, F.: Functional equations arisen from the characterization of beta distributions.
Aequ. Math. 78 (1-2), 87-99, 2009.

Lajkó, K., Mészáros, F.: Functional equations stemming from probability theory.
Tatra Mt. Math. Publ. 44 65-80, 2009.

Száz, Á.: Galois-type connections and closure operations on preordered sets.
Acta Math. Univ. Commen. 78 (1), 1-21, 2009.

Gselmann, E.: Hyperstability of a functional equation.
Acta Math. Hung. 124 (1-2), 179-188, 2009.

Dascǎl, J., Száz, Á.: Inclusion properties of the intersection convolution of relations.
Ann. Math. et Inf. 36 47-60, 2009.

Bandle, C., Gilányi, A., Losonczi, L., Páles, Z., Plum, M.: Inequalities and Applications: Conference on Inequalities and Applications, Noszvaj (Hungary), September 2007.
Birkhauser Verlag, Basel ;, XLVIII, 315 p., 2009. ISBN: 9783764387723

Baják, S., Páles, Z.: Invariance equation for generalized quasi-arithmetic means.
Aequ. Math. 77 (1-2), 133-145, 2009.

Molnár, L.: Linear maps on matrices preserving commutativity up to a factor.
Linear and Multilinear Algebra. 57 (1), 13-18, 2009.

Molnár, L., Timmermann, W.: Maps on quantum states preserving the Jensen-Shannon divergence.
J. Phys. A. Math. Theor. 42 (1), 015301, 9, 2009.

Molnár, L.: Maps preserving the geometric mean of positive operators.
Proc. Amer. Math. Soc. 137 (5), 1763-1770, 2009.

Molnár, L.: Maps preserving the harmonic mean or the parallel sum of positive operators.
Linear Alg. Appl. 430 (11-12), 3058-3065, 2009.

Daróczy, Z.: Mean values and functional equations.
Diff. Equations Dynamical Syst. 17 (1-2), 105-113, 2009.

Házy, A., Páles, Z.: On a certain stability of the Hermite-Hadamard inequality.
Proc. R. Soc. Lond. A Math. Phys. Sci. 465 571-583, 2009.

Varga, A., Vincze, C.: On a functional equation containing weighted arithmetic means.
In: Inequalities and Applications : Conference on inequalities and applications '07. Ed.: C. Bandle, A. Gilányi, L. Losonczi, M. Plum, Zs. Páles, Birkhauser Verlag, Basel, 305-315, 2009, (International Series of Numerical Mathematics ; 157.) - ISBN: 9783764387723

Dascǎl, J.: On a functional equation with a symmetric component.
Publ. Math. Debrecen. 75 (1-2), 33-39, 2009.

Lajkó, K., Maksa, G., Mészáros, F.: On a generalized Hosszú functional equation.
Publ. Math. Debrecen. 74 (1-2), 101-106, 2009.

Varga, A., Vincze, C.: On Daróczy's problem for additive functions.
Publ. Math.-Debr. 75 (1-2), 299-310, 2009.

Daróczy, Z., Dascǎl, J.: On the general solution of a family of functional equations with two parameters and its application.
Math. Pannon. 20 (1), 27-36, 2009.

Gselmann, E.: Recent results on the stability of the parametric fundamental equation of information.
Acta Math. Acad. Paedagog. Nyíregyh. 25 (1), 65-84, 2009.

Száz, Á.: Relationships between the intersection convolution and other important operations on relations.
Math. Pannon. 20 (1), 99-107, 2009.

Lajkó, K., Mészáros, F.: Some new functional equations connected with characterization problems.
Acta Math. Acad. Paedagog. Nyíregyh. 25 (2), 221-239, 2009.

Gselmann, E., Maksa, G.: Stability of the parametric fundamental equation of information for nonpositive parameters.
Aequ. Math. 78 (3), 271-282, 2009.

Gselmann, E.: Stability type results concerning the fundamental equation of information of multiplicative type.
Coll. Math. 114 (1), 33-40, 2009.

Nyul, B.: Termelési függvények és jellemzéseik.
Alkalm. mat. l. 26 (2), 351-363, 2009.

Páles, Z., Zeidan, V.: The core of the infinite dimensional generalized Jacobian.
J. Convex Anal. 16 (2), 321-349, 2009.

Makó, Z., Páles, Z.: The invariance of the arithmetic mean with respect to generalized quasi-arithmetic means.
J. Math. Anal. Appl. 353 (1), 8-23, 2009.

Gselmann, E., Maksa, G.: The Shannon field of non-negative information functions.
Sci. Math. Jap. Online. 69 (2), 241-248, 2009.

Molnár, L.: Thompson isometries of the space of invertible positive operators.
Proc. Amer. Math. Soc. 137 (11), 3849-3859, 2009.

Maksa, G., Mészáros, F.: A characterization of the exponential distribution through functional equations.
In: Inequalities and Applications. Ed.: C. Bandle, A. Gilányi, L. Losonczi, M. Plum, Zs. Páles, Birkhauser Verlag, Basel, 291-298, 2008.

Boros, Z.: An inequality for the Takagi function.
Math. Inequal. Appl. 11 (4), 757-765, 2008.

Száz, Á.: An instructive treatment of a generalization of Hyers's stability theorem.
In: Inequalities and Applications / Th. M. Rassias, A. Andrica (eds.), Cluj University Press, Cluj-Napoca, 245-271, 2008.

Losonczi, L., Páles, Z.: Comparison of means generated by two functions and a measure.
J. Math. Anal. Appl. 345 (1), 135-146, 2008.

Abbas, A., Gselmann, E., Maksa, G., Sun, Z.: General and continuous solutions of the entropy equation.
In: Proceedings of the 28th International Workshop on Bayesian Inference and Maximum Entropy Methods in Science and Engineering, American Institute of Physics, Melville, NY, 3-7, 2008, (AIP conference proceedings ; 1073)

Bessenyei, M.: Hermite-Hadamard inequality on simplices.
Am. Math. Mon. 115 (4), 339-345, 2008.

Bessenyei, M.: Hermite-Hadamard-type inequalities for generalized convex functions.
J. Inequal. Pure Appl. Math. 9 (3), 1-51, 2008.

Boros, Z., Száz, Á.: Infimum and supremum completeness properties of ordered sets without axioms.
An. St. Univ. Ovidius Constanta, Ser. Mat. 16 (2), 31-37, 2008.

Molnár, L.: Maps on states preserving the relative entropy.
J. math. phys. 49 (3), 1-4, 2008.

Molnár, L.: Maps on the n-dimensional subspaces of a Hilbert space preserving principal angles.
Proc. Amer. Math. Soc. 136 (9), 3205-3209, 2008.

Orosz, Á., Székelyhidi, L.: Moment functions on Sturm-Liouville hypergroups.
Annales Univ. Sci. Sec. Comp. 29 141-156, 2008.

Nikodem, K., Páles, Z.: Note on t-quasiaffine functions.
Annales Univ. Sci. Sec. Comp. 29 127-139, 2008.

Daróczy, Z.: On a family of functional equations with one parameter.
Annales Univ. Sci. Sec. Comp. 28 175-181, 2008.

Varga, A.: On a functional equation containing four weighted arithmetic means.
Banach J. Math. Anal. 2 (1), 21-32, 2008.

Varga, A., Vincze, C.: On a lower and upper bound for the curvature of ellipses with more than two foci.
Expo. math. 26 (1), 55-77, 2008.

Gilányi, A., Páles, Z.: On convex and Wright-convex functions of higher order.
Math. Inequal. Appl. 11 (2), 271-282, 2008.

Gilányi, A., Páles, Z.: On convex functions of higher order.
Math. Inequal. Appl. 11 (2), 271-282, 2008.

Páles, Z.: On functional equations characterizing polynomials.
Acta Sci. Math. 74 581-592, 2008.

Daróczy, Z., Laczkovich, M.: On functions taking the same value on many pairs of points.
Real Anal. Exchange. 33 (2), 385-393, 2008.

Makó, Z., Páles, Z.: On the equality of generalized quasiarithmetic means.
Publ. Math. Debrecen. 72 (3-4), 407-440, 2008.

Gselmann, E.: On the modified entropy equation.
Banach J. Math. Anal. 2 (1), 84-96, 2008.

Nyakóné Juhász, K., Kósa, M., Pánovics, J., Lajkó, K.: Öt éves múlt a TMCS.
In: Informatika a felsőoktatásban 2008 : konferencia kiadvány : Debrecen, 2008 augusztus 27-29. : Előadás-összefoglalók és teljes előadást tartalmazó CD-melléklet [elektronikus dokumentum]. Szerk.: Pethő Attila, Herdon Miklós, Debreceni Egyetem TEK Informatikai Kar, Debrecen, [6 ], 2008.

Boros, Z., Száz, Á.: Reflexivity, transitivity, symmetry and anti-symmetry of the intersection convolution of relations.
Rostock. Math. Kolloq. 63 55-62, 2008.

Székelyhidi, L.: Spectral synthesis on multivariate polynomial hypergroups.
Monatsh. Math. 153 (2), 145-152, 2008.

Száz, Á.: An improved Altman type generalization of the Brezis-Browder ordering principle.
Math. commun. 12 155-161, 2007.

Lovas, R.: A note on Finsler-Minkowski norms.
Houst. J. Math. 33 (3), 701-707, 2007.

Lakatos, P., Losonczi, L.: Circular interlacing with reciprocal polynomials.
Math. inequal. appl. 10 (4), 761-769, 2007.

Székelyhidi, L.: D'Alembert's functional equation on compact groups.
Banach J. Math. Anal. 1 (2), 221-226, 2007.

Fazekas, B.: Decision functions and characterization of their properties.
Math. Inequal. Appl. 10 (1), 29-43, 2007.

Gilányi, A., Kaiser, Z., Páles, Z.: Estimates to the stability of functional equations.
Aequ. Math. 73 (1-2), 125-143, 2007.

Páles, Z., Zeidan, V.: First- and second-order optimality conditions for a strong local minimum in control problems with pure state constraints.
Nonlinear anal. 67 (8), 2506-2526, 2007.

Nikodem, K., Páles, Z.: Generalized convexity and separation theorems.
J. Convex Anal. 14 (2), 239-247, 2007.

Páles, Z., Zeidan, V.: Generalized Jacobian for functions with infinite dimensional range and domain.
Set-Valued Analysis. 15 (4), 331-375, 2007.

Losonczi, L.: Homogeneous symmetric means of two variables.
Aequ. Math. 74 (3), 262-281, 2007.

Páles, Z., Zeidan, V.: Infinite dimensional Clarke generalized Jacobian.
J. Convex Anal. 14 (2), 433-454, 2007.

Dolinar, G., Molnár, L.: Maps on quantum observables preserving the Gudder order.
Rep. math. phys. 60 (1), 159-166, 2007.

Száz, Á.: Minimal structures, generalized topologies, and ascending systems should not be studied without generalized uniformities.
Filomat. 21 (1), 87-97, 2007.

Molnár, L., Timmermann, W.: Mixture preserving maps on von Neumann algebra effects.
Lett. math. phys. 79 295-302, 2007.

Bakula, M., Pecaric, J., Páles, Z.: On weighted L-conjugate means.
Commun. Appl. Anal. 11 (1), 65-78, 2007.

Molnár, L.: Selected preserver problems on algebraic structures of linear operators and on function spaces.
Springer-Verlag, Berlin, 232 p., 2007. ISBN: 9783540399445

Losonczi, L., Schinzel, A.: Self-inversive polynomials of odd degree.
Ramanujan J. 14 305-320, 2007.

Száz, Á.: Some easy to remember abstract forms of Ekeland's variational priciple and Caristi's fixed point theorem.
Appl. Anal. Discrete Math. 1 335-339, 2007.

Molnár, L., Šemrl, P.: Spectral order automorphisms of the spaces of Hilbert space effects and observables.
Lett. math. phys. 80 239-255, 2007.

Laczkovich, M., Székelyhidi, L.: Spectral synthesis on discrete Abelian groups.
Math. Proc. Cambridge Phil. Soc. 143 (1), 103-120, 2007.

Ádám, Z., Lajkó, K., Maksa, G., Mészáros, F.: Two functional equations on group.
Ann. Math. Sil. 21 7-13, 2007.

Fink, A., Páles, Z.: What is Hadamard's inequality?.
Appl. Anal. Discrete Math. 1 (1), 29-35, 2007.

Páles, Z.: Abstract control problems with nonsmooth data.
In: Recent advances in optimization / edited by Alberto Seeger, Springer, Heidelberg, 205-216, cop 2006, (Lecture Notes in Economics and Mathematical Systems ; 563.)

Bessenyei, M., Páles, Z.: Characterizations of convexity via Hadamard's inequality.
Math. Inequal. Appl. 9 (1), 53-62, 2006.

Száz, Á., Túri, J.: Comparisons and compositions of Galois-type connections.
Miskolc. math. notes. 7 (2), 189-203, 2006.

Fazekas, B., Plum, M., Wieners, C.: Enclosure for the Biharmonic Equation.
Dagstuhl Seminar Proceedings. 05391 1-5, 2006.

Losonczi, L.: Equality of two variable means revisited.
Aequ. Math. 71 (3), 228-245, 2006.

Daróczy, Z., Maksa, G., Páles, Z.: Functional equations involving means and their Gauss composition.
Proc. Amer. Math. Soc. 134 (2), 521-530, 2006.

Losonczi, L.: On reciprocal polynomials with zeros of modulus one.
Math. inequal. appl. 9 289-298, 2006.

Makó, Z., Páles, Z.: On the Lipschitz perturbation of monotonic functions.
Acta Math. Hung. 113 (1-2), 1-18, 2006.

Boros, Z., Páles, Z.: Q-subdifferential of Jensen-convex functions.
J. Math. Anal. Appl. 321 (1), 99-113, 2006.

Maksa, G., Nizsalóczki, E.: Quasi-sums in several variables.
Acta Math. Acad. Paedag. Nyíregyh. 22 193-207, 2006.

Páles, Z.: Regularity problems and results concerning composite functional equations in several variables.
Tatra Mt. Math. Publ. 34 (2), 289-306, 2006.

Ádám, Z., Lajkó, K., Maksa, G., Mészáros, F.: Sequenced problems for functional equations.
Teach. Math. Comput. Sci. 4 (1), 179-192, 2006.

Czinder, P., Páles, Z.: Some comparison inequalities for Gini and Stolarsky means.
Math. Inequal. Appl. 9 (4), 607-616, 2006.

Száz, Á.: Supremum properties of Galois-type connections.
Comment. math. Univ. Carolinae. 47 (4), 569-583, 2006.

Kaiser, Z., Páles, Z.: An example of a stable functional equation when the Hyers iteration does not work.
J. Inequal. Pure Appl. Math. 6 (1), Article 14,, 2005.

Larsson, L., Páles, Z., Persson, L.: Carlson type inequalities for finite sums and integrals on bounded intervals.
Bull. Austr. Math. Soc. 71 (2), 275-284, 2005.

Burai, P., Száz, Á.: Coincidence theorem for subadditive and superadditive functions.
Carpathian J. of Math. 21 (1-2), 21-26, 2005.

Lovas, R.: Corrigendum to 'On the Killing vector fields of generalized metrics' (in SUT Journal of Mathematics, Vol. 40, No. 2 (2004), 133-156).
SUT J. Math. 41 (1), 95, 2005.

Boros, Z., Száz, Á.: Finite and conditional completeness properties of generalized ordered sets.
Rostock. Math. Kolloq. 59 75-86, 2005.

Glavosits, T., Száz, Á.: General conditions for the subadditivity and superadditivity of relations.
Scientia, Ser. A, Math. Sci. 11 31-43, 2005.

Daróczy, Z., Páles, Z.: Generalized convexity and comparison of mean values.
Acta Sci. Math. 71 (1-2), 105-116, 2005.

Bessenyei, M., Páles, Z.: Hermite-Hadamard inequalities for generalized convex functions.
Aequ. Math. 69 (1-2), 32-40, 2005.

Burai, P., Száz, Á.: Homogeneity properties of subadditive functions.
Ann. Math. Inf. 32 189-201, 2005.

Lovas, R.: Infinitesimal isometries of generalized metrics.
Vest. Nizegorodsk. Univ. im. NI Lob. Ser. Mat. 3 (1), 162-171, 2005.

Glavosits, T.: Karakterizációs problémákból származó függvényegyenletek általános megoldása.
In: XXVII. Országos Tudományos Diákköri Konferencia Fizika, Földtudományok, Matematika Szekció : Eötvös Loránd Tudományegyetem Természettudományi Kar, 2005. március 21-23.. Szerk.: Horváth Ákos, Eötvös Loránd Tudományegyetem, Budapest, [1], 2005. ISBN: 9634637469

Czinder, P., Páles, Z.: Local monotonicity properties of two-variable Gini means and the comparison theorem revisited.
J. Math. Anal. Appl. 301 (2), 427-438, 2005.

Házy, A., Páles, Z.: On approximately t-convex functions.
Publ. Math. 66 (3-4), 489-501, 2005.

Páles, Z.: Optimum problems with nonsmooth equality constraints.
Nonlinear Anal. 63 (5-7), e2575-e2581, 2005.

Burai, P., Száz, Á.: Relationships between homogeneity, subadditivity and convexity properties.
Publikacija Elektrotehnickog fakulteta. Serija Matematika 16 77-87, 2005.

Losonczi, L.: Sub- and superadditive integral means.
J. Math. Anal. Appl. 307 (2), 444-454, 2005.

Glavosits, T., Lajkó, K.: The general solution of a functional equation related to the characterizations of bivariate distributions.
Aequ. Math. 70 (1-2), 88-100, 2005.

Czinder, P., Páles, Z.: An extension of the Hermite-Hadamard inequality and an application for Gini and Stolarsky means.
J. Inequal. Pure Appl. Math. 5 (2), Article 42,, 2004.

Glavosits, T., Száz, Á.: Characterizations of commuting relations.
Acta Math. Inform. Univ. Ostrav. 12 23-31, 2004.

Páles, Z., Zeidan, V.: Critical and critical tangent cones in optimization problems.
Set-Valued Anal. 12 (1-2), 241-258, 2004.

Páles, Z., Persson, L.: Hardy-type inequalities for means.
Bull. Austr. Math. Soc. 70 (3), 521-528, 2004.

Bessenyei, M.: Hermite-Hadamard-type inequalities for generalized 3-convex functions.
Publ. Math.-Debr. 65 (1-2), 223-232, 2004.

Maksa, G., Páles, Z.: On a composite functional equation arising in utility theory.
Publ. Math. 65 (1/2), 215-220, 2004.

Házy, A., Páles, Z.: On approximately midconvex functions.
Bull. London Math. Soc. 36 (3), 339-350, 2004.

Páles, Z., Székelyhidi, L.: On approximate sandwich and decomposition theorems.
Ann. Univ. Sci. Budapest. Sect. Comput. 23 59-70, 2004.

Járai, A., Maksa, G., Páles, Z.: On Cauchy-differences that are also quasisums.
Publ. Math. 65 (3/4), 381-398, 2004.

Bessenyei, M., Páles, Z.: On generalized higher-order convexity and Hermite-Hadamard-type inequalities.
Acta Sci. Math. 70 (1-2), 13-24, 2004.

Glavosits, T., Száz, Á.: On the existence of nonnegativity domains of subsets of groups.
Demonstr. Math. 37 505-516, 2004.

Glavosits, T., Száz, Á.: On the existence of odd selections.
Adv. Stud. Contemp. Math. 8 155-164, 2004.

Lovas, R.: On the Killing vector fields of generalized metrics.
SUT J. Math. 40 (2), 133-156, 2004.

Daróczy, Z., Maksa, G., Páles, Z.: On two-variable means with variable weights.
Aequ. Math. 67 (1-2), 154-159, 2004.

Glavosits, T., Száz, Á.: Pointwise and global sums and negatives of translation relations.
An. Şt. Univ. Ovidius Constanţa, Ser. Mat. 12 27-44, 2004.

Száz, Á.: Rare and meager sets in relator spaces.
Tatra Mt. Math. Publ. 28 75-95, 2004.

Lakatos, P., Losonczi, L.: Self-inversive polynomials with zeros on the unit circle.
Publ. Math. Debrecen. 65 409-420, 2004.

Páles, Z., Zeidan, V.: Strong local optimality conditions for state constrained control problems.
J. Global Optim. 28 (3-4), 363-377, 2004.

Badora, R., Ger, R., Páles, Z.: Additive selections and the stability of the Cauchy functional equation.
ANZIAM j. 44 (3), 323-337, 2003.

Száz, Á.: An extension of Baire's category theorem to relator spaces.
Math. Morav. 7 73-89, 2003.

Páles, Z.: A regularity theorem for composite functional equations.
Acta Sci. Math. 69 591-604, 2003.

Pataki, G., Száz, Á.: A unified treatment of well-chainedness and connectedness properties.
Acta Math. Acad. Paedagog. Nyíregyh. 19 101-165, 2003.

Glavosits, T., Száz, Á.: Decompositions of commuting relations.
Acta Math. Inform. Univ. Ostrav. 11 (1), 25-28, 2003.

Losonczi, L.: Equality of two variable Cauchy mean values.
Aequ. Math. 65 (1-2), 61-81, 2003.

Glavosits, T.: Függvényegyenletek megoldása iterációval.
In: XXVI. Országos Tudományos Diákköri Konferencia : Fizika, Földtudományok és Matematika Szekció : 2003. április 14-16., Miskolc-Egyetemváros. Szerk.: Dobróka Mihály, Mádai Ferenc, Gyulai Ákos, Miskolci Egyetemi Kiadó, Miskolc, 173, 2003. ISBN: 9636615683

Bessenyei, M., Páles, Z.: Hadamard-type inequalities for generalized convex functions.
Math. Inequal. Appl. 6 (3), 379-392, 2003.

Lovas, R.: Lie derivatives and Killing vector fields in Finsler geometry.
In: International Conference on Non-Eucledian Geometry in Modern Physics : Bolyai-Gauss-Lobachevsky 3, July 3-6, 2002, Tîrgu-Mureș, Romania. Ed.: I. Lovas, EP Systema, Debrecen, 35-50, 2003. ISBN: 9632062132

Száz, Á.: Linear extensions of relations between vector spaces.
Comment. math. Univ. Carolinae. 44 (2), 367-385, 2003.

Molnár, L., Barczy, M.: Linear maps on the space of all bounded observables preserving maximal deviation.
J. Funct. Anal. 205 (2), 380-400, 2003.

Czinder, P., Páles, Z.: Minkowski-type inequalities for two variable Stolarsky means.
Acta Sci. Math. 69 (1-2), 27-47, 2003.

Páles, Z.: On approximately convex functions.
Proc. Amer. Math. Soc. 131 (1), 243-252, 2003.

Neuman, E., Páles, Z.: On comparison of Stolarsky and Gini means.
J. Math. Anal. Appl. 278 (2), 274-284, 2003.

Daróczy, Z., Páles, Z.: On functional equations involving means.
Publ. Math. Debrecen. 62 (3-4), 363-377, 2003.

Adamek, M., Nikodem, K., Páles, Z.: On K-convex set-valued maps.
Rad. mat. 11 (2), 183-191, 2003.

Nikodem, K., Páles, Z.: On t-convex functions.
Real Anal. Exchange. 29 (1), 219-228, 2003.

Lakatos, P., Losonczi, L.: On zeros of reciprocal polynomials of odd degree.
J. Inequal. Pure Appl. Math. 4 (3), 8, 2003.

Páles, Z., Zeidan, V.: Optimal control problems with set-valued control and state constraints.
SIAM J. Optim. 14 (2), 334-358, 2003.

Száz, Á., Túri, J.: Pointwise and global sums and negatives of odd and additive relations.
Octogon. 11 114-125, 2003.

Száz, Á.: Relationships between translation and additive relations.
Acta Acad. Paed. Agr., Sect. Math. 30 179-190, 2003.

Páles, Z.: Report of the General Inequalities 8 Conference.
J. Inequal. Pure Appl. Math. 4 (3), Article 49,, 2003.

Rakaczki, C., Száz, Á.: Semicontinuity and closedness properties of relations in relator spaces.
Mathematica (Cluj). 45 (1), 73-92, 2003.

Száz, Á.: Upper and lower bounds in relator spaces.
Serdika Math. J. 29 239-270, 2003.

Száz, Á.: A Galois connection between distance functions and inequality relations.
Math. Bohem. 127 437-448, 2002.

Száz, Á., Túri, J.: Characterizations of injective multipliers on partially ordered sets.
Stud. Univ. Babeş-Bolyai, Math. 47 105-119, 2002.

Páles, Z.: Extension theorems for functional equations with bisymmetric operations.
Aequ. Math. 63 (3), 266-291, 2002.

Daróczy, Z., Páles, Z.: Gauss-composition of means and the solution of the Matkowski-Sutő problem.
Publ. Math. 61 (1-2), 157-218, 2002.

Glavosits, T.: Generated preorders and equivalences.
Acta Acad. Paed. Agr. Sect. Math. 29 95-103, 2002.

Bessenyei, M., Páles, Z.: Higher-order generalizations of Hadamard's inequality.
Publ. Math. 61 (3-4), 623-643, 2002.

Losonczi, L.: Inequalities for Cauchy mean values.
Math. inequal. appl. 5 349-359, 2002.

Gilányi, A.: On a problem by K. Nikodem.
Math. Inequal. Appl. 5 (4), 707-710, 2002.

Gilányi, A., Páles, Z.: On Dinghas-type derivatives and convex functions of higher order.
Real Anal. Exch. 27 (2), 485-493, 2002.

Losonczi, L.: On the comparison of Cauchy mean values.
J. of Inequalities and Appl. 7 (1), 11-24, 2002.

Száz, Á.: Partial multipliers on partially ordered sets.
Novi Sad J. Math. 32 (1), 25-45, 2002.

Glavosits, T., Száz, Á.: Pointwise and global sums and negatives of binary relations.
An. Şt. Univ. Ovidius Constanţa, Ser. Mat. 10 (1), 87-93, 2002.

Glavosits, T.: Preorders and equivalences generated by commuting relations.
Acta Math. Acad. Paedagog. Nyházi. 18 (2), 53-56, 2002.

Páles, Z.: Problems in the regularity theory of functional equations.
Aequ. Math 63 (1-2), 2002.

Kovács, I., Száz, Á.: Schauder bases in an abstract setting.
Rev. colomb. mat. 36 29-48, 2002.

Száz, Á.: Somewhat continuity in a unified framework for continuities of relations.
Tatra Mt. Math. Publ. 24 41-56, 2002.

Páles, Z., Zeidan, V.: Strong local optimality conditions for control problems with mixed state-control constraints.
In: Proceedings of the 41th IEEE Conference on Decision and Control : December 10-13, 2002, the Venetian Hotel, Las Vegas, Nevada, USA. Ed.: IEEE Control Systems Society, IEEE Service Center, Piscataway, N.J, 4738 - 4743, 2002.

Molnár, L., Páles, Z.: [ortho]-order automorphisms of Hilbert space effect algebras: the two-dimensional case.
J. math. phys. 42 (4), 1907-1912, 2001.

Aczél, J., Maksa, G., Ng, C., Páles, Z.: A functional equation arising from ranked additive and separable utility.
Proc. Amer. Math. Soc. 129 (4), 989-998, 2001.

Száz, Á.: An Altman-type generalization of the Brezis-Browder ordering principle.
Math. Morav. 5 1-6, 2001.

Gilányi, A., Páles, Z.: A regularity theorem for composite functional equations.
Arch. Math. 77 (4), 317-322, 2001.

Székelyhidi, L.: A Wiener Tauberian theorem on discrete abelian torsion groups.
Annales Academiae Paedagigicae Cracoviensis: Studia Mathematica 4 147-150, 2001.

Páles, Z.: Az optimum első és magasabbrendű szükséges feltételei = First- and higher-order necessary conditions of optimality.
In: Közgyűlési előadások, 2000. május : Millennium az Akadémián. Szerk.: Glatz Ferenc, Magyar Tudományos Akadémia, Budapest, 565-574, 2001.

Kovács, I., Száz, Á.: Characterizations of effective sets and nonexpansive multipliers in conditionally complete and infinitely distributive partially ordered sets.
Acta Math. Acad. Paedagog. Nyíregyh. 172001.

Pataki, G., Száz, Á.: Characterizations of nonexpansive multipliers on partially ordered sets.
Math. Slovaca. 51 (4), 371-382, 2001.

Gilányi, A.: Eine zur Parallelogrammgleichung äquivalente Ungleichung.
Aequ. Math. 62 (3), 303-309, 2001.

Páles, Z.: Hyers-Ulam stability of the Cauchy functional equation on square-symmetric grupoids.
Publ. Math. 58 (4), 651-666, 2001.

Maksa, G., Páles, Z.: Hyperstability of a class of linear functional equations.
Acta Math. Acad. Paedag. Nyíregyh. 17 (2), 107-112 (electronic), 2001.

Daróczy, Z., Páles, Z.: On a class of means of several variables.
Math. Inequal. Appl. 4 331-341, 2001.

Nikodem, K., Páles, Z.: On approximately Jensen-convex and Wright-convex functions.
C. R. Math. Acad. Sci. Canada. 23 (4), 141-147, 2001.

Száz, Á.: Preseminorm generating relations and their Minkowski functionals.
Publ. Elektrotehn. Fak., Ser. Mat., Univ. Beogr. 12 16-34, 2001.

Páles, Z.: Separation by approximately convex functions.
Grazer math. Ber. 344 43-50, 2001.

Páles, Z.: Separation theorems for convex sets and convex functions with invariance properties.
In: Generalized Convexity and Generalized Monotonicity : proceedings of the 6th International Symposium on Generalized Convexity/Monotonicity, Samos, September 1999. Eds.: Nicolas Hadjisavvas, Juan Enrique Martínez-Legaz, Jean-Paul Penot (eds.), Springer, Berlin ; New York, 279-293, cop2001, (Lecture Notes in Economics and Mathematical Systems ; 502.)

Aczél, J., Maksa, G., Páles, Z.: Solution of a functional equation arising in an axiomatization of the utility of binary gambles.
Proc. Amer. Math. Soc. 129 (2), 483-493, 2001.

Boros, Z.: Strongly Q-differentiable functions.
Real Anal. Exch. 27 (1), 17-25, 2001.

Páles, Z., Zeidan, V.: The critical tangent cone in second-order conditions for optimal control.
Nonlinear Anal. 47 (2), 1149-1161, 2001.

Páles, Z.: Új módszerek a függvényegyenletek regularitáselméletében = New methods in the regularity theory of functional equations.
In: Közgyűlési előadások, 2000. május : Millennium az Akadémián. Szerk.: Glatz Ferenc, Magyar Tudományos Akadémia, Budapest, 415-432, 2001.

Czinder, P., Páles, Z.: A general Minkowski-type inequality for two variable Gini means.
Publ. Math. 57 (1-2), 203-216, 2000.

Száz, Á.: An extensionof Kelley's closed relation theorem to relator spaces.
Filomat. 14 49-71, 2000.

Páles, Z.: Bernstein-Doetsch-type results for general functional inequalities.
Rocz. Nauk. Dydakt. Pr. Mat. 17 197-206, 2000.

Aczél, J., Gilányi, A., Maksa, G., Marley, A.: Consistent aggregation of simply scalable families of choice probabilities.
Math. Soc. Sci. 39 (3), 241-262, 2000.

Losonczi, L.: Equality of Cauchy mean values.
Publ. Math. Debrecen. 57 217-230, 2000.

Daróczy, Z., Maksa, G., Páles, Z.: Extension theorems for the Matkowski-Sutő problem.
Demonstr. Math. 33 (3), 547-556, 2000.

Farkas, T., Száz, Á.: Minlowski functionals of summative sequences of absorbing and balanced sets.
Bul. şiinţ. - Univ. Baia Mare, B, Fasc. mat.-inform. 16 323-334, 2000.

Nikodem, K., Páles, Z., Wąsowicz, S.: Multifunctions with selections of convex and concave type.
Math. Pannon. 11 (2), 249-260, 2000.

Páles, Z.: Nonconvex functions and separation by power means.
Math. Inequal. Appl. 3 (2), 169-176, 2000.

Maksa, G., Marley, A., Páles, Z.: On a functional equation arising from joint-receipt utility models.
Aequ. Math. 59 (3), 273-286, 2000.

Boros, Z., Páles, Z., Volkmann, P.: On stability for the Jensen equation on intervals.
Aequ. Math. 60 (3), 291-297, 2000.

Gilányi, A.: On the stability of monomial functional equations.
Publ. Math. Debrecen. 56 (1-2), 201-212, 2000.

Páles, Z., Zeidan, V.: Optimum problems with measurable set-valued constraints.
SIAM J. Optim. 11 (2), 426-443, 2000.

Száz, Á., Túri, J.: Seminorm generating relations and their Minkowski functionals.
Acta Math. Acad. Paedagog. Nyíregyh. 16 15-24, 2000.

Száz, Á.: Translation relations, the building blocks of compatible relators.
Mat. Montisnigri. 12 135-156, 2000.

Nikodem, K., Páles, Z., Wąsowicz, S.: Abstract sepatarion theorems of Rodé type and their applications.
Ann. Pol. Math. 72 (3), 207-218, 1999.

Kassay, G., Páles, Z.: A localized version of Ky Fan's minimax inequality.
Nonlinear anal. 35 (4), 505-515, 1999.

Páles, Z., Zeidan, V.: Characterization of closed and open C-convex sets in C(T,Rr).
Acta Sci. Math. 65 (1-2), 339-357, 1999.

Páles, Z., Zeidan, V.: Characterization of L1-closed decomposable sets in L-infinity.
J. Math. Anal. Appl. 238 491-515, 1999.

Losonczi, L.: Equality of two variable weighted means: reduction of differential equations.
Aequ. Math. 58 (3), 223-241, 1999.

Aczél, J., Boros, Z., Heller, J., Ng, C.: Functional Equations in Binocular Space Perception.
J. Math. Psychol. 43 (1), 71-101, 1999.

Daróczy, Z., Maksa, G.: Functions commuting with ternary operations.
Rocz. Nauk. Dydakt. Pr. Mat. 16 15-21, 1999.

Gilányi, A.: Hyers-Ulam stability of monomial functional equations on a general domain.
Proc. Natl. Acad. Sci. USA. 96 (19), 10588-10590, 1999.

Maksa, G.: Intervallumkitöltő sorozatok.
Tud. közl. (KLTE. MFK). 24 177-180, 1999.

Indlekofer, K., Járai, A.: Largest known twin primes and Sophie Germain primes.
Math. Comput. 68 (227), 1317-1324, 1999.

Gilányi, A.: Local Stability and Global Superstability of Monomial Functional Equations.
In: Advances in Equations and Inequalities / J. M. Rassias (Ed.), Hadronic Press, USA, 73-95, 1999.

Járai, A.: Measurable solutions of functional equations satisfied almost evrywhere.
Math. Pannon. 10 (1), 103-110, 1999.

Badora, R., Páles, Z., Székelyhidi, L.: Monomial selections of set-valued maps.
Aequ. Math. 58 (3), 214-222, 1999.

Molnár, L.: Multiplicative maps on ideals of operations which are local automorphisms.
Acta Sci. Math. (Szeged). 651999.

Daróczy, Z.: On a class of means of two variables.
Publ. Math. 55 (1/2), 177-197, 1999.

Daróczy, Z.: On a functional equation of Hosszú type.
Math. Pannon. 10 (1), 77-82, 1999.

Daróczy, Z., Hajdu, G.: On an identity of Ramanujan.
Acta math. Hung. 82 (1-2), 1-9, 1999.

Daróczy, Z., Maksa, G.: On a problem of Matkowski.
Colloq. Math. 82 (1), 117-123, 1999.

Székelyhidi, L.: On convolution type functional equations.
Math. Pannon. 10 (2), 271-275, 1999.

Páles, Z., Zeidan, V.: On L1-closed decomposable sets in L.
In: Systems modelling and optimization, Detroit 1997, Chapamn & Hall/CRC, Boca Raton ; Florida, 198-206, 1999.

Kassay, G., Kolumbán, J., Páles, Z.: On Nash stationary points.
Publ. Math. 54 (3-4), 267-279, 1999.

Farkas, T.: On the associativity of algorithms.
Acta Acad. Paed. Agr. Sect. Math. 26 39-47, 1999.

Daróczy, Z.: Ramanujan's identities and functional equations.
Aequ. Math. 58 (1-2), 41-45, 1999.

Molnár, L., Zalar, B.: Reflexivity of the group of surjective isometries on some Banach spaces.
P. Edinburgh Mat. Soc. Ser. 2. 42 (1), 17-36, 1999.

Molnár, L.: Some multiplicative preservers on B(H).
Linear Alg. Appl. 301 (1-3), 1-13, 1999.

Boros, Z., Száz, Á.: Some number-theoretic applications of the smallest denominator function.
Acta Math. Acad. Paedagog. Nyíregyh. 15 19-26, 1999.

Páles, Z.: Strong Hölder and Minkowski inequalities for quasiarithmetic means.
Acta Sci. Math. 65 (3-4), 493-503, 1999.

Daróczy, Z.: The role of the Institute of Matematics of the University of Miskolc in the development of the theory of functional equipments.
Publications of the University of Miskolc. Series D, Natural Sciences, Mathematics 39 13-20, 1999.

Nikodem, K., Páles, Z.: A characterization of midpoint-quasiaffine functions.
Publ. Math. Debrecen. 52 575-595, 1998.

Gilányi, A.: A remark to a characterization of monomial functions.
Acta Techn. Napocensis. 39b 29-32, 1998.

Páles, Z., Bulatov, V.: First and higher order necessary conditions for optimization problems via a Dubovitskii-Milyutin type approach.
In: Optimization methods and their applications, Institute of Energy Systems, Irkutsk, 193-204, 1998.

Daróczy, Z.: Functional inequalities for infinite series.
Rocz. Nauk. Dydakt. Pr. Mat. 15 57-62, 1998.

Páles, Z.: Generalized stability of the Cauchy functional equation.
Aequ. Math. 56 (3), 222-232, 1998.

Páles, Z., Volkmann, P., Luce, R.: Hyers-Ulam stability of functional equations with a square-symmetric operation.
Proc. Natl. Acad. Sci. U.S.A. 95 (22), 12772-12775, 1998.

Losonczi, L., Páles, Z.: Minkowski's inequality for two variable difference means.
Proc. Amer. Math. Soc. 126 779-789, 1998.

Székelyhidi, L.: On common eigenfunctions of difference operators.
Publ. Math. Debrecen. 52 699-704, 1998.

Daróczy, Z., Hajdu, G.: On the Ramanujan differences.
Publ. math. 53. 3-4. 281-291, 1998.

Gilányi, A.: On the stability of the square-norm equation.
Publ. Math.-Debr. 52 419-428, 1998.

Páles, Z., Zeidan, V.: Optimum problems with certain lower semicontinuous set-valued constraints.
SIAM J. Control Optim. 8 (3), 707-727, 1998.

Páles, Z.: Proceedings of conference numbers, functions, equations '98.
Janus Pannonius Tudományegyetem, Pécs, 159 p., 1998. ISBN: 963641663X

Gilányi, A.: Solving linear functional equations with computer.
Math. Pannon. 9 57-70, 1998.

Aczél, J., Losonczi, L.: Extension of functional equations.
In: The mathematics of Paul Erdős. Eds.: Ronald L. Graham, Jaroslav Nešetřil, Springer, Berlin ; Heidelberg, 251-263, 1997, (Algorithms and Combinatorics, ISSN 0937-5511 ; 14.) ISBN: 9783642643934

Daróczy, Z.: Inequalities for some infinite series.
Acta math. Hung. 75 (1-2), 27-30, 1997.

Páles, Z.: Inverse and implicit function theorems for nonsmooth maps in Banach spaces.
J. Math. Anal. Appl. 209 (1), 202-220, 1997.

Losonczi, L., Páles, Z.: Minkowski's inequality for two variable Gini means.
Acta Sci Math. Szeged. 62 413-425, 1997.

Dragomir, S., Mond, B., Páles, Z.: On a superadditivity property of Gram's determinant.
Aequ. Math. 54 (1-2), 199-204, 1997.

Gilányi, A.: On locally monomial functions.
Publ. Math.-Debr. 51 343-361, 1997.

Páles, Z., Zeidan, V.: On the representation of certain bilinear forms on C(T) and L-infinity(T).
Acta Sci. Math. 63 (3/4), 497-511, 1997.

Losonczi, L.: Paul Erdős on functional equations: contributions and impact.
Aequ. Math. 54 (1-2), 221-233, 1997.

Páles, Z.: Separation by semidefinite bilinear forms.
In: General inequalities 7 : 7th International Conference at Oberwolfach, November 13-18, 1995, Birkhäuser, Basel ; Boston, 259-267, 1997, (International series of numerical mathematics ; vol. 123.)

Páles, Z., Kassay, G.: A localized version of Ky Fan's inequality.
Grazer math. Ber. 327 55-56, 1996.

Molnár, L.: Bijectivity of *-endomorphisms of B(H) and the unilateral shift.
Monatsh. Math. 122 (4), 1996.

Páles, Z., Zedian, V.: Characterization of closed and open C-convex sets in C(T,Rŗ).
Department of Mathematics and Informatics Lajos Kossuth University, Debrecen, 19 p., 1996.

Szabó, G.: Conditional equations in normed spaces.
Grazer math. Ber. 327 57-58, 1996.

Aczél, J., Maksa, G.: Consistent aggregation and generalized bisymmetry.
Grazer math. Ber. 327 1-4, 1996.

Páles, Z., Zeidan, V.: Generalized Hessian for C 1,1 functions in infinite dimensional normed spaces.
Math. Program. 74 (1), 59-78, 1996.

Losonczi, L., Páles, Z.: Inequalities for indefinite forms.
Department of Mathematics and Informatics Lajos Kossuth University, Debrecen, 8 p., 1996.

Molnár, L.: Locally inner derivations of standard operator algebras.
Math. Bohem. 121 1-7, 1996.

Páles, Z.: Notes on mean value theorems.
Grazer math. Ber. 327 17-20, 1996.

Székelyhidi, L.: On cosine operator functions.
Grazer Math. Ber. 327 59-60, 1996.

Brindza, B., Pintér, Á., Végső, J.: On polynomial values of the discriminants of characteristic polynomials.
J. Number Theory. 61 (2), 292-300, 1996.

Molnár, L.: On rings of differentiable functions.
Grazer math. Ber. 327 13-16, 1996.

Páles, Z., Zeidan, V.: Optimum problems with lower semicontinuous set-valued constraints.
Department of Mathematics and Informatics Lajos Kossuth University, Debrecen, 23 p., 1996.

Járai, A.: Regularity of functional equations on manifolds.
Grazer math. Ber. 327 53-54, 1996.

Boros, Z.: Representation of vectors in generalized number systems.
Grazer math. Ber. 327 7-10, 1996.

Páles, Z., Zeidan, V.: Second order conditions for nonsmoth optimization problems with constraints.
In: World Congress of Nonlinear Analysts '92 : proceeding of the First World Congress of Nonlinear Analysts, Tampa, Florida, August 16-26, 1992, Walter de Gruyter, Berlin ; New York, 2337-2346, 1992.

Förg-Rob, W., Nikodem, K., Páles, Z.: Separation by monotonic functions.
Math. Pannon. 7 191-196, 1996.

Páles, Z., Zeidan, V.: Separation via quadratic functions.
Aequ. Math. 51 (3), 209-229, 1996.

Száz, Á.: Topological characterizations of relational properties.
Grazer math. Ber. 327 37-52, 1996.

Daróczy, Z.: Über die Rudin-Shapiro-Folge.
Grazer math. Ber. 327 11-12, 1996.

Gilányi, A.: Charakterisierung von monomialen Funktionen und Lösung von Funktionalgleichungen mit Computern.
Universität Karlsruhe, Karlsruhe, 77 pp., 1995.

Daróczy, Z., Maksa, G.: Functional equations on convex sets.
Acta math. Hung. 68 (3), 187-195, 1995.

Pintér, Á.: On the magnitude of integer points on elliptic curves.
Bull. Austr. Math. Soc. 52 (2), 195-199, 1995.

Járai, A., Maksa, G.: Regular solutions of a functional equation.
Mathematical reports of the Academie of Science 17 7-10, 1995.

Páles, Z.: Separation with symmetric bilinear forms and symmetric selections of set-valued functions.
Publ. Math.-Debr. 46 (3-4), 321-331, 1995.

Páles, Z.: A unified form of the classical mean value theorems.
In: Inequalities and applications, World Scientific Publ., Singapore, 493-500, 1994.

Daróczy, Z., Kátai, I.: Characterization of additive functions with values in the circle group II..
Publ. Math. Debrecen. 44 (3-4), 391-394, 1994.

Páles, Z., Zeidan, V.: First- and second-order necessary conditions for control problems with constraints.
Trans. Amer. Math. Soc. 346 (2), 421-453, 1994.

Páles, Z.: General necessary and sufficient conditions for constrained optimum problems.
Arch. Math. 63 (3), 238-250, 1994.

Páles, Z.: Inverse function theorems for nonsmooth mappings in Banach spaces.
In: Operation Researach '93, Physica Verlag, Köln, 385-388, 1994.

Páles, Z.: Linear selections for set-valued functions and extension of bilinear forms.
Arch. Math. 62 (5), 427-432, 1994.

Páles, Z., Zeidan, V.: Nonsmooth optimum problems with constraints.
SIAM J. Control Optim. 32 (5), 1476-1502, 1994.

Pintér, Á.: On a Diophantine problem concerning Stirling numbers.
Acta Math. Hung. 65 (4), 361-364, 1994.

Daróczy, Z.: On a functional equation connected with an identity of Ramanujan.
Annales Univ. Sci. Budapest, Sect. Comp. 14 23-31, 1994.

Molnár, L.: On the range of a normal Jordan *-derivation, Comment.
Comment. math. Univ. Carolinae. 35 691-695, 1994.

Szabó, G.: Report of meeting: The Thirty-first International Symposium on Functional Equations, August 22-August 28, 1993, Debrecen, Hungary.
Aequ. Math. 47 (2-3), 263-327, 1994.

Molnár, L.: A condition for a function to be a bounded linear operator.
Indian j. math. 35 1-4, 1993.

Száz, Á.: A Lagrange-type increment inequality.
In: 13. Österreichischer Mathematikerkongress, 20-24 September 1993

Száz, Á.: Cauchy nets and completeness in relator spaces.
Colloquia mathematica societatis Janos Bolyai 55 479-489, 1993.

Daróczy, Z.: Functional equations of Abel type: Report of Meeting.
Aequ. Math. 46 (3), 270, 1993.

Losonczi, L.: Measurable solutions of a functional equation related to (2,2)-additive entropies of degree alpha.
Publ. Math. Debrecen. 42 109-137, 1993.

Losonczi, L.: Measurable solutions of functional equations of sum form.
Acta Math. Hung. 61 (1-2), 165-182, 1993.

Száz, Á., Mala, J.: Modifications of relators.
Department of Mathematics and Informatics Lajos Kossuth University, Debrecen, 1993.

Száz, Á.: Neighbourhood relators.
In: Colloquium on Topology János Bolyai Math. Soc., Aug. 23-27, 1993

Száz, Á., Mala, J.: Properly topologically conjugated relators.
Pure math. appl., Ser. B. 3 119-136, 1993.

Száz, Á.: Refinements of relators.
Department of Mathematics and Informatics Lajos Kossuth University, Debrecen, 1993.

Száz, Á.: The fundamental theorem of calculus in an abstract setting.
Tatra Mt. Math. Publ. 2 167-174, 1993.

Daróczy, Z., Kátai, I.: Univoque sequences.
Publ. Math. Debrecen. 42 (3-4), 397-407, 1993.

Száz, Á., Kurdics, J.: Well-chainedness characterizations of connected relators.
Math. Pannon. 4 37-45, 1993.

Páles, Z.: A general version of Young's inequality.
Arch. Math. 58 (4), 360-365, 1992.

Losonczi, L., Páles, Z., Walter, W.: A simple proof for a quadratic inequality.
In: General inequalities 6. : proceedings of the sixth international conference held in Oberwolfach, December 9-15, 1990. Ed.: by W. Walter, Birkhäuser Verlag, Basel, 445-447, 1992, (International Series of Numerical Mathematics ; 103.)

Páles, Z.: Comparison of two variable homogeneous means.
In: General inequalities 6 : 6th International Conference on General Inequalities, Oberwolfach, Dec. 9-15, 1990 / edited by W. Walter, Birkhäuser Verlag, Basel ; Boston, 59-70, 1992, (International series of numerical mathematics ; 103.) ISBN: 0817627375

Losonczi, L.: Eigenvalues and eigenvectors of some tridiagonal matrices.
Acta Math. Hung. 60 (3-4), 309-322, 1992.

Páles, Z.: Geometric versions of Rodé's theorem.
Rad. Mat. 8 (2), 217-229, 1992.

Páles, Z.: On a generalization of the plank problem.
In: General inequalities 6 : 6th International Conference on General Inequalities, Oberwolfach, Dec. 9-15, 1990 / edited by W. Walter, Birkhäuser Verlag, Basel ; Boston, 473-476, 1992, (International series of numerical mathematics ; 103.)

Losonczi, L., Walter, W.: On an extremal property of nonnegative trigonometric polynomials.
In: General inequalities 6. : proceedings of the sixth international conference held in Oberwolfach, December 9-15, 1990. Ed.: by W. Walter, Birkhäuser Verlag, Basel, 151-160, 1992, (International Series of Numerical Mathematics ; 103.)

Páles, Z.: On reduction of linear two variable functional equations to differential equations without substitutions.
Aequ. Math. 43 (2-3), 236-247, 1992.

Losonczi, L.: An extension theorem for the Levi-Civita functional equation and its applications.
Grazer math. Ber. 315 51-68, 1991.

Szabó, G.: Continuous orthogonality spaces.
Publ. Math. Debr. 38 (3-4), 311-322, 1991.

Páles, Z.: Gårding, Lars: Singularities in linear wave propagation.
Publ. Math. Debrecen. 38 (3-4), 343, 1991.
(Ismertetett mű: Gårding, Lars. -Singularities in linear wave propagation /Berlin ; New York : Springer, 1987)

Páles, Z.: Herbert Amann: Ordinary differential equations: as introduction to nonlinear analysis.
Publ. Math. 38 (3-4), 339, 1991.
(Ismertetett mű: Herbert Amann. -Ordinary differential equations : as introduction to nonlinear analysis /Berlin ; New York : Walter de Gruyter, 1990)

Száz, Á.: Mild continuities of linear relations.
Publ. Math. Debrecen. 38 6-7, 1991.

Járai, A.: Modern alkalmazott analízis.
Kossuth Lajos Tudományegyetem, Debrecen, 1991.

Daróczy, Z., Kátai, I.: On positive additive functions with respect to interval filling sequences, and some sequences of integers with gap conditions.
Litov. mat. sb. 31 62-75, 1991.

Páles, Z.: Rational approximation of real functions.
Publ. math. 38 (3-4), 342-343, 1991.
(Ismertetett mű: Petrushev P. P., Popov V. A. -Rational approximation of real functions /Cambridge : Cambridge Univ. Press., 1987)

Maksa, G., Nikodem, K., Páles, Z.: Results on t-wright convexity.
C. R. Math. Rep. Acad. Sci. Canada. 13 274-278, 1991.

Maksa, G.: Schipp, F. - Wade, W.R. - Simon, P.: Walsh series. (An introduction to Dyadic Harmonic Analysis). - [Rec.].
Publ. Math.-Debr. 38 (3-4), 339-340, 1991.

Daróczy, Z., Kátai, I.: Characterization of pairs of additive functions with some regularity property.
Publ. Math. Debrecen. 37 (3-4), 217-221, 1990.

Pintér, Á., Száz, Á.: Elemi módon megoldható Cauchy- és Goursat-feladatok.
Acta Math. Acad. Paedagog. Nyíregyh. 12/d 61-71, 1990.

Páles, Z.: Inequalities for sums of multipowers.
Acta Math. Hung. 56 (1-2), 165-167, 1990.

Száz, Á.: Lebesgue relations.
Monatsh. Math. 110 (3-4), 315-319, 1990.

Páles, Z.: On Young-type inequalities.
Acta Sci. Math. 54 317-338, 1990.

Páles, Z.: A generalization of the Dubovitskii-Milyutin separation theorem for commutative semigroups.
Arch. Math. 52 (4), 384-392, 1989.

Páles, Z.: A Hahn-Banach theorem for separation of semigroups and its applications.
Aequ. Math. 37 (2-3), 141-161, 1989.

Páles, Z.: A Stone-type theorem for Abelian semigroups.
Arch. Math. 52 (3), 265-268, 1989.

Páles, Z., Volkmann, P.: Characterization of a class of means.
C. R. Math. Acad. Sci. Canada. 11 (6), 221-224, 1989.

Szabó, G., Száz, Á.: Defining nets for integration.
Publ. Math. Debr. 36 (2), 237-252, 1989.

Székelyhidi, L., Szabó, G., Maksa, G.: Equations arising from the theory of orthogonally additive and quadratic functions.
Math. reports Acad. Sci. Canada 10 (6), 295-300, 1989.

Forte, B., Hughes, W., Páles, Z.: Maximum entropy estimators and the problem of moments.
Rend. Mat. Appl. (7). 9 (4), 689-699, 1989.

Losonczi, L.: On a functional equation of sum form.
Publ. Math. Debrecen. 36 (2), 167-177, 1989.

Páles, Z.: On comparison of homogeneous means.
Ann. Univ. Sci. Bp. Rolando Eötvös Nomin., Sect. math. 32 261-266, 1989.

Maksa, G., Páles, Z.: On Hosszú's functional inequality.
Publ. Math. 36 (1-4), 187-189, 1989.

Craigen, R., Páles, Z.: The associativity equation revisited.
Aequ. Math. 37 (2-3), 306-312, 1989.

Páles, Z.: General inequalities for quasideviation means.
Aequ. Math. 36 (1), 32-56, 1988.

Páles, Z.: Inequalities for differences of powers.
J. Math. Anal. Appl. 131 (1), 271-281, 1988.

Páles, Z.: Inequalities for sums of powers.
J. Math. Anal. Appl. 131 (1), 265-270, 1988.

Páles, Z.: On a Pexider-type functional equation for quasideviation means.
Acta Math. Hung. 51 (1-2), 205-224, 1988.

Páles, Z.: On two-variable functional inequalities.
C. R. Math. Acad. Sci. Canada. 10 (1), 25-28, 1988.

Páles, Z.: Remarks on generalized homogeneous deviation means.
Publ. Math. 35 (1-2), 17-20, 1988.

Aczél, J., Páles, Z.: The behaviour of means under equal increments of their variables.
Am. Math. Mon. 95 (9), 856-860, 1988.

Páles, Z.: A generalization of Young's inequality.
In: General inequalities 5. : proceedings of the fifth international conference held in Oberwolfach, May 4-10, 1986. Ed.: by W. Walter, Birkhäuser Verlag, Basel, 471-472, 1987, (International Series of Numerical Mathematics ; 80.)

Daróczy, Z., Páles, Z.: Convexity with given infinite weight sequences.
Stochastica. 11 (1), 5-12, 1987.

Daróczy, Z., Losonczi, L.: Functional equations of sum type on a domain.
Ann. Univ. Sci. Budapest, Sect. Comp. 8 25-34, 1987.

Páles, Z.: How to make fair decisions?.
In: General inequalities 5. : proceedings of the fifth international conference held in Oberwolfach, May 4-10, 1986. Ed.: by W. Walter, Birkhäuser Verlag, Basel, 439-450, 1987, (International Series of Numerical Mathematics ; 80.)

Losonczi, L., Walter, W.: On some discrete quadratic inequalities.
In: General inequalities 5. : proceedings of the fifth international conference held in Oberwolfach, May 4-10, 1986. Ed.: by W. Walter, Birkhäuser Verlag, Basel, 459-461, 1987, (International Series of Numerical Mathematics ; 80.)

Aczél, J., Walter, W., Losonczi, L., Páles, Z.: The behaviour of comprehensive classes of means under equal increments of their variables.
In: General inequalities 5. : proceedings of the fifth international conference held in Oberwolfach, May 4-10, 1986. Ed.: by W. Walter, Birkhäuser Verlag, Basel, 459-461, 1987, (International Series of Numerical Mathematics ; 80.)

Páles, Z., Száz, Á.: A Hahn-Banach-féle invariáns kiterjesztési tétel is élesíthető.
Mat. Lapok. 33 (1-3), 35-37, 1986.

Daróczy, Z.: Generalized-homogeneous deviation meas.
Publ. Math. 33 (1-2), 53-65, 1986.

Száz, Á.: Generalized preseminormed spaces of linear manifolds and bounded linear relations.
Rev. Res. Fac. Sci. Math 14 49-78, 1986.

Daróczy, Z.: Intervallfüllende Folgen und volladditive Functiones.
Acta Sci. Math. 50 (3-4), 337-350, 1986.

Páles, Z.: Ismertetés: General inequalities 3 :.
Publ. Math. 32 284-285, 1986.
(Ismertetett mű: edited by E.F. Beckenbach, W. Walter. -General inequalities 3 : 3rd International Conference on General Inequalities Oberwolfach, April 26-May 2, 1981 /Basel ; Boston : Birkhäuser Verlag, 1983. -xxi, 563 p. -)

Páles, Z.: Ismertetés: General inequalities 4 :.
Publ. Math. 33 362, 1986.
(Ismertetett mű: 4th International Conference on General Inequalities, Oberwolfach, May 8-14, 1983 ; edited by W. Walter. -General inequalities 4 : in memoriam Edwin F. Beckenbach /Basel ; Boston : Birkhäuser Verlag, 1984. -xxi, 434 p. -)

Páles, Z.: Ismertetés: Methods for solving incorrectly posed problems.
Publ. Math. 33 336, 1986.
(Ismertetett mű: V.A. Morozov ; translation editor, Z. Nashed ; translated by A.B. Aries. -Methods for solving incorrectly posed problems /New York : Springer-Verlag, 1984. -XVIII, 257 p. -)

Páles, Z.: Klaus Deimling: Nonlinear functional analysis.
Publ. Math. 33 380-381, 1986.
(Ismertetett mű: Klaus Deimling. -Nonlinear functional analysis /Berlin ; New York : Springer-Verlag, 1985. -XIV, 450 p. -)

Páles, Z.: M. Chipot: Variational inequalities and flow in porous media.
Publ. Math. 32 310-311, 1986.
(Ismertetett mű: M. Chipot. -Variational inequalities and flow in porous media /New York : Springer-Verlag, c1984. -vii, 118 p. -)

Száz, Á.: Mild continuities of linear relations.
In: 3rd International Symposium on Functional Equations and Inequalities, Noszvaj, Hungary, 1986

Székelyhidi, L.: Note on Hyers's theorem.
C. R. Math. Rep. Acad. Sci. Canada. 8 (2), 127-129, 1986.

Daróczy, Z.: On additive arithmetical functions with values in topological groups I..
Publ. Math. 33 287-291, 1986.

Páles, Z.: On the separation of midpoint convex sets.
Math. Reports Canada. 8 309-312, 1986.

Fazekas, G.: Report of the International Conference on Generalized Functions Debrecen, 1984.
Publ. Math. 33 153-194, 1986.

Losonczi, L.: Sum form equations on an open domain II..
Utilitas Math. 29 125-132, 1986.

Székelyhidi, L.: The Fouries transform of exponential polynomials.
Publ. Math. 33 13-20, 1986.

Székelyhidi, L.: The Fouries transform of mean periodic functions.
Utilitas Math. 29 43-48, 1986.

Maksa, G.: The fundamental equation of information on the open domain.
Publ. Math. 33 9-11, 1986.

Száz, Á., Száz, Á.: Continuities in relator speces.
In: Abstracts of the International conference on generalized functions : November 4-9, 1984. Debrecen ... / [org., publ. by the] Institute of Mathematics Lajos Kossuth University, KLTE, Debrecen, 53-54, 1984 [1985].

Székelyhidi, L.: Exponential polynomials and differential equations.
Publ. Math. Debr. 32 (1-2), 105-109, 1985.

Losonczi, L.: Functional equations of sum form.
Publ. Math. Debr. 32 (1-2), 57-71, 1985.

Losonczi, L.: Functional equations of sum form.
Publ. Math. Debrecen. 32 57-71, 1985.

Székelyhidi, L., Székelyhidi, L.: Hans Triebel: Theory of function spaces.
Publ. Math. Debrecen. 32 306, 1985.
(Ismertetett mű: Hans Triebel. -Theory of function spaces /Leipzig : Akad. Verlag, 1983. -284 p. -)

Páles, Z.: Ismertetés: Averages : a new approach.
Publ. Math. Debrecen. 32 283, 1985.
(Ismertetett mű: Jane Grossman, Michael Grossman, Robert Katz. -Averages : a new approach /Rockport, Mass. (Box 240, Rockport 01966) : Archimedes Foundation, 1983. -vi, 61 p. -)

Lajkó, K.: Ismertetés: Holomorphic functions of several variables :.
Publ. Math. Debrecen. 32 288-289, 1985.
(Ismertetett mű: Ludger Kaup, Burchard Kaup ; with the assistance of Gottfried Barthel ; translated by Michael Bridgland. -Holomorphic functions of several variables : an introduction to the fundamental theory /Berlin ; New York : W. de Gruyter, 1983. -xiii, 349 p. -)

Székelyhidi, L.: Ismertetés: Lectures on partial differential equations.
Publ. Math. Debrecen. 32 283, 1985.
(Ismertetett mű: by G.B. Folland ; notes by K.T. Joseph and S. Thangavelu. -Lectures on partial differential equations /New Delhi : Published for the Tata Institute of Fundamental Research, Bombay, [by] Narosa Pub. House, 1983. -ii, 160 p. -)

Székelyhidi, L.: Ismertetés: Selecta :.
Publ. Math. Debrecen. 32 279, 1985.
(Ismertetett mű: P.R. Halmos ; edited by Donald E. Sarason, Leonard Gillman. -Selecta : expository writing /New York ; Heidelberg : Springer-Verlag, 1983. -XIX, 304 p.)

Székelyhidi, L.: Ismertetés: Theorems and problems in functional analysis.
Publ. Math. Debrecen. 32 281, 1985.
(Ismertetett mű: A. A. Kirillov, A. D. Gvishiani ; translated by Harold H. McFaden. -Theorems and problems in functional analysis /New York : Springer-Verlag, c1982. -ix, 347 p. -)

Páles, Z.: On inequalities for products of power sums.
Monatsh. Math. 100 (2), 137-144, 1985.

Székelyhidi, L.: R. E. Edwards: Fourier series: a modern introduction., Vol. 2..
Publ. Math. Debrecen. 32 280-281, 1985.
(Ismertetett mű: R. E. Edwards. -Fourier series : a modern introduction., Vol. 2. /New York ; Heidelberg : Springer-Verlag, 1982. -)

Losonczi, L.: Sum form equations on an open domain I..
C. R. Math. Rep. Acad. Sci. Canada. 7 85-90, 1985.

Losonczi, L.: Sum form equations on an open domain I..
Math. Reports Canada. 7 85-90, 1985.

Páles, Z.: Inequalities for comparison of means.
In: General inequalities 4. : in memoriam Edwin F. Beckenbach : 4th International Conference on General Inequalities, Oberwolfach, May 8-14, 1983 / edited by W. Walter, Birkhäuser Verlag, Basel, 59-73, 1984, (International Series of Numerical Mathematics ; 71.)

Losonczi, L.: Inequalities of Young-type.
Monatsh. Math. 97 (2), 125-132, 1984.

Páles, Z.: On the characterization of means defined on a linear space.
Publ. Math. 31 (1-2), 19-27, 1984.

Losonczi, L., Beckenbach, E.: Hölder-type inequalities.
In: General inequalities 3. Proceedings of the third international conference held in Oberwolfach, April 26-May 2, 1981. Ed.: by E. F. Beckenbach, Birkhäuser Verlag, Basel, 91-106, 1983, (International Series of Numerical Mathematics ; 64.)

Páles, Z.: Inequalities for homogeneous means depending on two parameters.
In: General inequalities 3. : proceedings of the third international conference held in Oberwolfach, April 26-May 2, 1981. Ed.: by E. F. Beckenbach, Birkhäuser Verlag, Basel, 107-122, 1983, (International Series of Numerical Mathematics ; 64.)

Daróczy, Z., Páles, Z.: Multiplicative mean values and entropies.
In: Functions, series, operators. Ed.: by B. Sz.-Nagy, J. Szabados, North-Holland ; [Bp.] : Bolyai János Matematikai Társulat, Amsterdam [etc.], 343-359, [1983], (Colloquia mathematica Societatis János Bolyai,0139-3383 ; 35.)

Páles, Z.: On complementary inequalities.
Publ. Math. 30 (1-2), 75-88, 1983.

Páles, Z.: On Hölder-type inequalities.
J. Math. Anal. Appl. 95 (2), 457-466, 1983.

Losonczi, L., Beckenbach, E.: Some mean value problems.
In: General inequalities 3. : proceedings of the third international conference held in Oberwolfach, April 26-May 2, 1981. Ed.: by E. F. Beckenbach, Birkhäuser Verlag, Basel, 525-526, 1983, (International Series of Numerical Mathematics ; 64.)

Páles, Z.: A generalization of the Minkowski inequality.
J. Math. Anal. Appl. 90 (2), 456-462, 1982.

Daróczy, Z., Páles, Z.: On comparison of mean values.
Publ. Math. 29 (1-2), 107-115, 1982.

Losonczi, L., Beckenbach, E.: A note on linear partial differential inequalities.
In: General inequalities I. : proceedings of the First International Conference on General Inequalities held in the Mathematical Research Institute at Oberwolfach, May 10-14, 1976. Ed.: by E. F. Beckenbach, Birkhäuser Verlag, Basel-Stuttgart, 219-222, 1978, (International Series of Numerical Mathematics ; 41.)

Száz, Á.: Convolution multipliers and distributions.
Pacific J. Math. 60 (2), 267-275, 1975.

Dolhay, B., Batár, I., Losonczi, L., Szabó, Z., Papp, Z.: A magzat nagyságának meghatározása a megszületőben levő láb méretéből.
Magy. Nőorv. Lapok. 37 (1), 1974.

Daróczy, Z., Kiesewetter, H.: Eine Funktionalgleichung von Abel und die Grundgleichung der Information.
Period. Math. Hung. 4 (1), 25-28, 1973.

Losonczi, L.: Über eine neue Klasse von Mittelwerten.
Acta Sci. Math. 32 (1-2), 71-81, 1971.

Daróczy, Z., Losonczi, L.: Über den Vergleich von Mittelwerten.
Publ. Math. Debrecen. 17 289-297, 1970.

Losonczi, L.: Über den Vergleich von Mittelwerten, die mit Gewichtsfunktionen gebildet sind.
Publ. Math. Debrecen. 17 203-208, 1970.

Daróczy, Z., Losonczi, L.: Über die Erweiterung der auf einer Punktmenge additiven Funktionen.
Publ. Math. Debrecen. 14 239-245, 1967.

Losonczi, L.: Lineáris függvényegyenletek, néhány általánosításuk és alkalmazásuk.
Mat. Lapok. 17 (1-2), 180-214, 1966.

Gołąb, S., Losonczi, L.: Über die Funktionalgleichung der Funktion Arccosinus II..
Publ. Math. Debrecen. 13 183-185, 1966.

Losonczi, L.: Über die Funktionalgleichung f((a+x)(b+y)c)=(A+f(x))(B+f(y))C.
Nehézipari Műszaki Egyetem Közleményei (Miskolc) 30 263-266, 1966.

Losonczi, L.: A változók szétválasztása módszerének egy további általánosítása.
Mat. Lapok. 16 (1-2), 8-18, 1965.

Gołąb, S., Losonczi, L.: Über die Funktionalgleichung der Funktion Arccosinus I..
Publ. Math. Debrecen. 12 159-174, 1965.

Losonczi, L.: Über eine multilineare Funktionalgleichung mit mehreren unbekannten Funktionen.
Publ. Inst. Math. (Beograd). 17 (23), 47-52, 1963.

Aczél, J.: Ein Blick auf Funktionalgleichungen und ihre Anwendungen.
VEB Deutscher Verlag der Wissenschaften, Berlin, 22 p., 1962.

Aczél, J.: Vorlesungen über Funktionalgleichungen und ihre Anwendungen.
Birkhäuser, Basel, 331 p., 1961.

Aczél, J., Gołąb, S.: Funktionalgleichungen der Theorie der geometrischen Objekte.
Państwowe Wydawnictwo Naukowe, Warszawa, 172 p., 1960.

Aczél, J.: A matematika alkalmazása fizikai-kémiai folyamatokra.
Mérnöki Továbbképző Intézet, Budapest ;, 43 p., 1952.