Prof. László Csirmaz, Ph.D.
research fellow

Department:
Department of Decision-Making Theory
Research interests:
Presently my main research area is Theoretical Cryptography, in particular algorithms
and protocols with unconditional security, such as secret sharing. Contributed to Information Theory,
Theory of Programming, and Game Theory, applied Mathematical Logic in Theoretical Computer Science.
Biography
Publication list
Publications
A list of selected publications is available on Google Scholar or on researchgate.net.
Degrees:
- Honorary Professor (“Egyetemi Magántanár”), ELTE, 2007
- Habilitation at University of Debrecen, 2006
- Candidate of Mathematical Sciences: Hungarian Academy of Sciences, 1981 (a PhD equivalent degree)
- Master’s degree in Mathematics: E ̈otv ̈os Lor ́and University of Budapest, 1975
Employment:
- Oct. 2019 – present: UTIA Senior Researcher
- 2001 – 2018: Part-time Professor at the University of Debrecen, Faculty of Informatics
- 1996 – present: Central European University, Chair of Computer and Statistics Center 1990– present Professor at Eötvös Loránd University Computer Science Department
- 1975 – present: Mathematical Research Institute of Hungarian Academy of Sciences, Department of Set Theory and Mathematical Logic, Senior Researcher
- 1990/91: Rutgers University, New Brunswick, N.J., Computer Science Department, Visiting Professor
- 1988/89: University of Chicago, Chicago, Ill., Computer Science Department, Visiting Professor
- 1986/87: McGill University, Department of Mathematics, Montreal, Canada, Visiting Professor
Short Term Visiting Positions:
- 1996 May: Research Center for Discrete Mathematics and Computer Science (DIMACS) at Rutgers, a research fellow
- 1994 October: DIMACS at Rutgers, a research fellow
Teaching activities
I deliver lectures on Theoretical Cryptography, Information Theory, Formal Logic, Philosophy of Mathematics at the Central European University; on Mathematical Logic, and on Set Theory at the Eötvös University; on Cryptography, Mathematical Logic, and Artificial Intelligence at the Universaty of Debrecen.
Others
For more than fifteen years I was a member and later Chair of the Editorial Board of the famous Hungarian “Mathematical Journal for Secondary Schools.” I take part in organizing various mathematical competitions in Hungary, including the National Student Competition in Mathematics and the famous Kürchák competition.
Books and chapters
- Mathematical Logic : Exercises and Solutions, Springer (Cham, 2022) Download DOI: 10.1007/978-3-030-79010-3 [2022] :
Journal articles
- Attempting the Impossible: Enumerating Extremal Submodular Functions for n = 6, Mathematics 13 Download Download DOI: 10.3390/math13010097 [2025] :
- Bipartite secret sharing and staircases, Discrete Mathematics 347 Download Download DOI: 10.1016/j.disc.2024.113909 [2024] :
- Synchronizing many filesystems in near linear time, Future Internet 15 Download Download DOI: 10.3390/fi15060198 [2023] :
- Infinite probabilistic secret sharing, Kybernetika 59 2 (2023), p. 179-197 Download Download DOI: 10.14736/kyb-2023-2-0179 [2023] :
- Data Synchronization: A Complete Theoretical Solution for Filesystems, Future Internet 14 Download Download DOI: 10.3390/fi14110344 [2022] :
- Algebra of data reconciliation, Studia Scientiarum Mathematicarum Hungarica 59, p. 209-231 Download Download DOI: 10.1556/012.2022.01529 [2022] :
- Sticky polymatroids on at most five elements, Studia Scientiarum Mathematicarum Hungarica 58 1 (2021), p. 136-146 Download Download DOI: 10.1556/012.2021.58.1.1489 [2021] :
- An optimization problem for continuous submodular functions, Studia Universitatis Babes-Bolyai Mathematica 66 1 (2021), p. 211-222 Download Download DOI: 10.24193/subbmath.2021.1.17 [2021] :
- One-adhesive polymatroids, Kybernetika 56 5 (2020), p. 886-902 Download Download DOI: 10.14736/kyb-2020-5-0886 [2020] :
- Cyclic flats of a polymatroid, Annals of Combinatorics 24 4 (2020), p. 637-648 Download Download DOI: 10.1007/s00026-020-00506-3 [2020] :