Mihálydeák, T., Kádek, T., Nagy, D., Chakraborty, M.: Intensions and extensions of granules: A two-component treatment.
Int. J. Approx. Reasoning. 169 1-15, 2024.

Hannusch, C., Mihálydeák, T.: Algebraic structures gained from rough approximation in incomplete information systems.
In: Annals of Computer Science and Information Systems (ACSIS) ISBN: 9788396589743

Battyányi, P., Mihálydeák, T., Vaszil, G.: Rough-Set-Like Approximation Spaces for Formal Languages.
J. Autom. Lang. Comb. 27 (1-3), 79-90, 2022.

Kádek, T., Mihálydeák, T.: Dealing with uncertainty: A rough-set-based approach with the background of classical logic.
Ann. Math. Inform. 53 157-168, 2021.

Nagy, D., Mihálydeák, T., Aszalós, L.: Graph approximation on similarity based rough sets.
Pollack Period. 15 (2), 25-36, 2020.

Nagy, D., Mihálydeák, T., Aszalós, L.: Different Types of Search Algorithms for Rough Sets.
Acta Cybern. 24 (1), 105-120, 2019.

Nagy, D., Aszalós, L., Mihálydeák, T.: Finding the representative in a cluster using correlation clustering.
Pollack Period. 14 (1), 15-24, 2019.

Battyányi, P., Mihálydeák, T., Vaszil, G.: Generalized Membrane Systems with Dynamical Structure, Petri Nets, and Multiset Approximation Spaces.
In: Unconventional Computation and Natural Computation. UCNC 2019. / McQuillan, I., Seki, S. (eds), Springer, Berlin, 15-29, 2019, (Lecture Notes in Computer Science, 11493) ISBN: 9783030193102

Nagy, D., Mihálydeák, T., Aszalós, L.: Similarity based rough sets with annotation.
In: Rough Sets. Ed.: Hung Son Nguyen, Quang-Thuy Ha, Tianrui Li, Małgorzata Przybyła-Kasperek, Springer International Publishing, Cham, 88-100, 2018, (Lecture Notes in Computer Science, ISSN 0302-9743 ; 11103.) ISBN: 9783319993676

Aszalós, L., Fazekas, A., Mihálydeák, T.: Kihívások és kényszerek - Új képzési programok a Debreceni Egyetem Informatikai Karán.
In: Informatika a felsőoktatásban 2017 konferencia kiadványa. Szerk.: Aradi Bernadett, Bujdosó Gyöngyi, Horváth Géza, Szokol Patrícia, Debreceni Egyetem Informatikai Kar, Debrecen, 101-108, 2017. ISBN: 9789634732136

Nagy, D., Mihálydeák, T., Aszalós, L.: Similarity based rough sets.
In: Rough Sets : proceedings, part II. Eds.: Lech Polkowski, Yiyu Yao, Piotr Artiemjew, Davide Ciucci, Dun Liu, Dominik Ślęzak, Beata Zielosko, Springer, Cham, 94-107, 2017, (Lecture Notes in Computer Science, ISSN 0302-9743 ; 10314.) ISBN: 9783319608396

Aszalós, L., Mihálydeák, T.: Correlation clustering by contraction, a more effective method.
In: Recent advances in computational optimization : Results of the Workshop on Computational Optimization WCO 2015. Ed.: Stefka Fidanova, Springer International Publishing Switzerland, [Basel], 81-95, 2016, (Studies in Computational Intelligence, ISSN 1860-949X (print), ISSN 1860-9503 (online) ; vol. 655.) ISBN: 9783319401317(print)

Kádek, T., Mihálydeák, T.: Az életlen halmazok elméletének néhány lehetséges alkalmazása a mesterséges intelligenciában.
In: ENELKO 2015 XVI. Nemzetközi Energetika-Elektrotechnika Konferencia, SzámOkt 2015 XXV. Nemzetközi Számítástechnika és Oktatás Konferencia, Arad, 2015. október 8-11. Szerk.: Biró Károly-Ágoston, Sebestyén-Pál György, Erdélyi Magyar Műszaki Tudományos Társaság, Cluj-Napoca, 251-256, 2015, (ISSN 1842-4546)

Takács, P., Csajbók, Z., Mihálydeák, T.: Boundaries of membrane in P systems relying on multiset approximation spaces in language R.
Ann. Math. et Inf. 44 197-210, 2015.

Aszalós, L., Mihálydeák, T.: Correlation clustering by contraction.
In: Proceedings of the 2015 Federated Conference on Computer Science and Information Systems / Aleksander Denisiuk, Polish Information Processing Society, Lodz, 425-434, 2015. ISBN: 9788360810668

Kádek, T., Mihálydeák, T.: On (in)validity of Aristotle's syllogisms relying on rough sets.
In: Proceedings of the LQMR 2015 Workshop. Eds.: Tomasz Lechowski, Przemysaw Wałęga; Michał Zawidzki, Polskie Towarzystwo Informatyczne, Warszawa, 35-40, 2015, (Annals of Computer Science and Information Systems, ISSN 2300-5963 ; Vol. 7.) ISBN: 9788360810781

Aszalós, L., Mihálydeák, T.: Rough cassification in incomplete databases by correlation clustering.
In: Proceedings of the 2015 Conference of the International Fuzzy Systems Association and the European Society for Fuzzy Logic and Technology. Eds.: José M. Alonso, Humberto Bustince, Marek Reformat, Atlantis Press, Gijon, 667-674, 2015, (Advances in Intelligence Systems Research, ISSN 1951-6851 ; vol. 89.) ISBN: 9789462520776

Aszalós, L., Bakó, M., Mihálydeák, T.: Email labelling by rough clustering.
In: Proceedings of the 9th International Conference on Applied Informatics January 29 - Februar 1, 2014. Eger, Hungary Volume I [elektronikus dokumentum]. Ed.: by Kovács Emőd, Kusper Gábor, Kunkli Roland, Tómács Tibor, Eszterházy Károly Főiskola, Eger, 19-26, 2014. ISBN: 9786155297182

Takács, P., Csajbók, Z., Mihálydeák, T.: Multiset számítások R-ben = Multiset computations in R.
In: Informatika a felsőoktatásban 2014 konferencia [elektronikus dokumentum] : konferencia kiadvány. Szerk.: Kunkli Roland, Papp Ildikó, Rutkovszky Edéné ; [rend., közread. a] Debreceni Egyetem Informatikai Kar, Debreceni Egyetem Informatikai Kar, Debrecen, 793-814, 2014. ISBN: 9789634737124

Kádek, T., Mihálydeák, T.: Some fundamental laws of partial first-order logic based on set approximations.
In: Rough Sets and Current Trends in Soft Computing : 9th International Conference, RSCTC 2014, Granada and Madrid, Spain, July 9-13, 2014, Proceedings. Eds.: Cornelis, C., Kryszkiewicz, M., Slezak, D., Menasalvas Ruiz, E., Bello, R., Shang, L, Springer, Cham, 47-58, 2014, (Lecture Notes in Artificial Intelligence, ISSN 0302-9743 ; vol. 8536.) ISBN: 9783319086439

Kádek, T., Mihálydeák, T.: Some unexpected properties of partial propositional logic based on partial approximation space.
In: Proceedings of the 9th International Conference on Applied Informatics January 29 - Februar 1, 2014. Eger, Hungary Volume I. [elektronikus dokumentum]. Eds.: Emőd Kovács, Gábor Kusper, Roland Kunkli, Tibor Tómács, Eszterházy Károly Főiskola, Eger, 51-58, 2014. ISBN: 9786155297182

Csajbók, Z., Mihálydeák, T., Ködmön, J.: An adequate representation of medical data based on partial set approximation.
In: Computer Information Systems and Industrial Management, 12th IFIP TC8 International Conference, CISIM 2013, Krakow, Poland, September 25-27, 2013, Proceedings. Eds.: Khalid Saeed, Rituparna Chaki, Agostino Cortesi, Slawomir Wierzchon, Springer Verlag, Berlin, Heidelberg, 120-128, 2013. ISBN: 9783642409240

Mihálydeák, T., Csajbók, Z.: A Species Distribution Framework Relying on Membrane Computing with Boundaries.
In: Association Computability in Europe (CiE) 2013 The Nature of Computation, Logic, Algorithms, Applications, July 1-5, 2013, Milan. Ed.: Paola Bonizzoni, Vasco Brattka, Gianluca Della Vedova, Benedikt Löwe, Universita degli Studi di Milano-Bicocca, Milan, 151-160, 2013.

Mihálydeák, T., Csajbók, Z., Takács, P.: Communication Rules Working in Generated Membrane Boundaries.
In: International Conference on Membrane Computing CMC14, Chișinău, Moldova, August 20-23, 2013, Proceedings. Ed.: Artiom Alhazov [et al.], Institute of Mathematics and Computer Science, Academy of Sciences of Moldova, Chișinău, 241-254, 2013. ISBN: 9789975423724

Csajbók, Z., Mihálydeák, T.: Fuzziness in Partial Approximation Framework.
In: Proceedings of the 2013 Federated Conference on Computer Science and Information Systems, September 8-11, 2013. Kraków, Poland. Ed.: Maria Ganzha, Leszek Maciaszek, Marcin Paprzycki, Polskie Towarzystwo Informatyczne (PTI), IEEE Computer Society Press, Warsaw, Los Alamitos, 35-41, 2013. ISBN: 9781467344715

Mihálydeák, T., Csajbók, Z.: Membranes with Boundaries.
In: Membrane Computing : 13th International Conference, CMC 2012, Budapest, Hungary, August 28-31, 2012 : Revised Selected Papers. Ed.: Erzsebet Csuhaj-Varju, Marian Gheorghe, Grzegorz Rozenberg, Arto Salomaa, György Vaszil, Springer Verlag, Berlin, Heidelberg, 277-294, 2013, (Lecture Notes in Computer Science ; 7762) ISBN: 9783642367502

Mihálydeák, T., Csajbók, Z.: Partial Approximation of Multisets and its Applications in Membrane Computing.
In: International Conference, RSKT 2013, Halifax, NS, Canada, October 11-14, 2013, Proceedings. Ed.: Pawan Lingras [et al.], Springer Verlag, Berlin, Heidelberg, 99-108, 2013. ISBN: 9783642412981

Aszalós, L., Mihálydeák, T.: Rough clustering generated by correlation clustering.
In: Rough Sets, Fuzzy Sets, Data Mining, and Granular Computing : 14th International Conference, RSFDGrC 2013, Halifax, NS, Canada, October 11-14, 2013. Proceedings. Ed.: Davide Ciucci, Masahiro Inuiguchi, Yiyu Yao, Dominik Ślęzak, Guoyin Wang, Springer Berlin Heidelberg, Berlin, Heidelberg, 315-324, 2013, (Lecture Notes in Computer Science ; 8170) ISBN: 9783642412172

Csajbók, Z., Mihálydeák, T.: A General Set Theoretic Approximation Framework.
In: Advances in computational intelligence : 14th International Conference on Information Processing and Management of Uncertainty in Knowledge-Based Systems, IPMU 2012, Catania, Italy, July 9-13, 2012. Proceedings. Part I.. Ed.: by Salvatore Greco, Bernadette Bouchon-Meunier, Giulianella Coletti, Mario Fedrizzi, Benedetto Matarazzo, Ronald R. Yager, Springer-Verlag, Berlin, Heidelberg, 604-612, 2012, (Communications in computer and information science,1865-0929 ; 297) ISBN: 9783642317088

Csajbók, Z., Mihálydeák, T.: A Tool-Based Set Theoretic Framework for Concept Approximation.
In: Formal Concept Analysis, ICFCA 2012 / (eds.) Florent Domenach, Dmitry Ignatov, Jonas Poelmans, Katolieke Universiteit Leuven, Leuven, Belgium, 53-68, 2012. ISBN: 9789081409957

Mihálydeák, T.: First-order Logic with Approximative Functors Based on Properties.
In: Rough Sets and Knowledge Technology, Lecture Notes in Artificial Intelligence : 7th International Conference, RSKT 2012, Chengdu, China, August 17-20, 2012. Proceedings. Ed.: Tianrui Li, Hung Son Nguyen, Guoying Wang, Jerzy Grzymala-Busse, Ryszard Janicki, Aboul Ella Hassien, Hong Yu, Springer-Verlag, Berlin, Heidelberg, 514-523, 2012, (Lecture Notes in Computer Science ; 7414) ISBN: 9783642318993

Mihálydeák, T., Csajbók, Z.: Membranes with local environments.
In: 13th International Conference on Membrane Computing : Budapest ..., August 28-31, 2012 : proceedings / (eds.) Erzsébet Csuhaj-Varjú, Marian Gheorghe, György Vaszil, Computer and Automation Research Institute, Hungarian Academy of Sciences, Budapest, 311-322, 2012. ISBN: 9789633113721

Csajbók, Z., Mihálydeák, T.: Partial Approximative Set Theory: A Generalization of the Rough Set Theory.
IJCISIM. 4 437-444, 2012.

Csajbók, Z., Mihálydeák, T.: A General Tool-Based ApproximationFramework Based on Partial Approximation of Sets.
In: Rough Sets, Fuzzy Sets, Data Mining and Granular Computing : 13th International Conference on Rough Sets, Fuzzy Sets and Granular Computing (RSFDGrC-2011), June 25-27, 2011, Moscow, Russia, Lecture Notes in Computer Science Series : Proceedings / Sergei O. Kuznetsov, Dominik Slezak, Daryl H. Hepting, Boris G. Mirkin (eds.), Springer Verlag, Berlin, Heidelberg, 52-59, 2011, (Lecture Notes in Computer Science ; 6743.) ISBN: 9783642218804

Takács, P., Mihálydeák, T.: Demonstration of the Modified CSN-logic.
In: Proceedings of the 8th International Conference on Applied Informatics (ICAI2010) Vol. 1. / edited by Attila Egri-Nagy, Emőd Kovács, Gergely Kovásznai, Gábor Kusper, Tibor Tómács, Eszterházy Károly Főiskola, Eger, 135-148, 2011.

Csajbók, Z., Mihálydeák, T.: On the general set theoretical framework of set approximation.
In: Proceedings of the 3rd Rough Set Theory Workshops 2011, 14-16 September. Ed.: Davide Ciucci, Universita degli Studi di Milano-Bicocca, Milan, 12-15, 2011.

Mihálydeák, T., Csajbók, Z.: Partial logic to investigate the logical behavior of different systems of approximations os sets.
In: Proceedings of the 3rd Rough Set Theory Workshop 2011. Ed.: Davide Ciucci, Universita di Milano-Bicocca, Milánó, 47-51, 2011.

Mihálydeák, T.: On Models of General Type-Theoretical Languages.
Magy. Filoz. Szle. 54 (4), 27-39, 2010.

Mihálydeák, T.: Functor-argument Decomposition in the Light of the Frege-Husserl Triad.
In: Nagyerdei megálló : tanulmányok Vajda Mihály 70. születésnapjára, Debreceni Egyetem, Debrecen, 357-372, 2005.

Mihálydeák, T.: Akár igaz is lehet.
In: Majdnem nem lehet másként : Tanulmányok Vajda Mihály 60. születésnapjára, Cserépfalvi, Budapest, 285-293, 1995. ISBN: 963836453X

Mihálydeák, T.: Dynamics in logical system.
In: Abstracts for X. International Congress of Logic : Methodology and Phylosophy of Science

Mihálydeák, T.: On logical revelant part of dynamics of natural language.
In: Abstract for Logic Colloquium '95

Mihálydeák, T.: Partiality and dynamics in first order logic and in type theoretical logic.
Bull. symb. log. 116, 1995.

Mihálydeák, T.: Partial intensional logic: a new approach to logical model of representative fragment of natural language.
In: New tendencies in CALL. Ed.: Kecskés István, Agócs László, KLTE, Debrecen, 113-120, 1989.

Mihálydeák, T.: Semantic Partiality and Consequence Relations.
In: Abstratc for IX. International Congress of Logic: Methodology and Philosophy of Science

Mihálydeák, T.: Semantic Partiality and Dynamic Semantics.
In: Abstract for SALT 1 Cornell University

Mihálydeák, T.: Extended Partiality in Intensional Logic.
In: Proceedings of the Seventh Amsterdam Colloquium, ITLI, Amsterdam, 327-351, 1990.

Mihálydeák, T.: Intenzionalitás a típuselméleti intenzionális logikában.
In: Filozófiai Tanulmányok, KLTE, Debrecen, , 1990.

Mihálydeák, T.: Partial Intensional Logic.
J. symb. log. 55 (1), 419-420, 1990.

Mihálydeák, T.: Partial Semantic Theory of /Tensed and Typed/ Intensional Logic.
In: Papers from the Second Symposium on Logic and Language. Ed.: by László Kálmán, László Pólos, Akadémiai K., Budapest, 203-225, 1990.

Mihálydeák, T.: Some Consequences of Lambda-Conversion Laws in Partial Intensional Logic.
In: Abstract for JELIA

Mihálydeák, T.: Parciális intenzionális logika.
Tert. non datur. 5 49-62, 1988.

Mihálydeák, T.: A természetes nyelv modellálásának előföltevései.
Tert. non datur. 4 117-124, 1987.

Mihálydeák, T.: Thruth functions in the intensional logic accepting semantic value-gaps.
In: Science as a subject of study : theme of the 8th International Congress of Logic, Methodology and Philosophy of Science (Moscow, August 1987), Social Sciences Today, Moscow, Vol 5, Part 1, 313-315, 1987, (Philosophical and social aspects of science and technology. Series 2.)

Mihálydeák, T., Soós, P.: Értékréses igazságfüggvények.
Tert. non datur. 3 229-240, 1986.

Mihálydeák, T.: Kismonográfia Carnapról.
Tert. non datur. 2 177-179, 1985.