A list of selected publications is available on Google Scholar or on researchgate.net.
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.
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.