Bela Laszlo
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* Hanva, July 4, 1940 – / mathematician, university teacher ; ; He graduated from Tornalján in 1957. He obtained a mathematics-descriptive geometry teacher's diploma from the Pedagogical College in Bratislava in 1961. Candidate of mathematical sciences (1979). From 1963, he was an assistant professor, assistant professor (1980), associate professor (1981), and professor (2002) at the Pedagogical College in Nitra (from 1996, Constantine the Philosopher University). From 2004 to 2008, he was the dean of the Faculty of National Minority Cultures of the Central European Studies. His research field is number theory and mathematics education methodology. He also publishes articles and papers on the history of education in Slovak Hungarian and Hungarian journals and publications. ; ; His main works: ; On some problems in the elementary theory of numbers 1975, ; On some problems concerning perfect numbers of the second type 1980, ; One property of the functions λ. 1983, ; The structure of (Czech) Slovak education, as well as its administrative and legal framework after 1945 (In: The history of (Czech) Slovak Hungarian education II., 1998.