Ákos Császár

Akos Csaszar, ( born February 26, 1924 in Budapest) is a Hungarian mathematician who dealt with topology and real analysis. He was a professor at the Eotvos Lorand University.

Csaszar attended after high school 1942 Teachers Academy ( Peter Pazmany ) with the completion in 1947 and thereafter, the Technical University of Budapest. End of the Second World War he was interned after the siege of Budapest by the Red Army with his father and brother, said he was the only survivor of the three. He was a pupil of Leopold Fejér. After graduation he was assigned a teaching job, but he soon went back to the University to the Department of Analysis Eötvös Loránd University, where he received his doctorate in 1952 (Candidate items) and 1954 Habilitation ( Ph.D. in Russian system ). In 1957 he became a full professor and head of the Department Analysis with an interruption from 1983 to 1986 until 1992. 1996 he became Professor Emeritus.

In 1949 he constructed a named after him non-convex polyhedron without diagonals ( Csaszar polyhedron ). He led a syntopogene spaces as generalized topological spaces.

1966 to 1980 he was Secretary General and 1980-1990 President of the Bolyai János Matematikai Társulat (Hungarian Mathematical Society ) and then its Honorary President. He is a corresponding member (1970) and since 1989 a full member of the Hungarian Academy of Sciences. 1973 to 1976 and 1990 to 1999, he headed the Department of Mathematics and Physics. In 1963 he was awarded the Kossuth Prize in 2009 and the Gold Medal of the Hungarian Academy of Sciences. In 1981 he received the Bolzano Medal of the Czechoslovak Academy of Sciences. In 2004 he was made an honorary Doctor of Eötvös University. In 1997 he became a member of the Central European Academy of Sciences.

His uncle Elemér Csaszar (1874-1940) was a literary historian.

His wife Clare is also a mathematician.

Writings

• Foundations of General Topology, Pergamon Press 1963
• General Topology, Adam Hilger 1978