Ákos Császár

Mathematician, Author

1924 –


Who is Ákos Császár?

Ákos Császár is a Hungarian mathematician, specializing in general topology and real analysis. He discovered the Császár polyhedron, a nonconvex polyhedron without diagonals. He introduced the notion of syntopogeneous spaces, a generalization of topological spaces.

During the end of 1944 his grandfather lost his life during the siege of Budapest. Then his father, older brother and himself were arrested by the conquerors and sent in a concentration camp approximatively 45 miles East of Budapest. An infectious illness spread in the camp and his brother and father died but A'kos survived. He is a member of the group of five students of the late professor Lipo't Fej'er who called them "The Big Five". Four members of the group are retired mathematics professors in North America and only Csa'sza'r became a university professor in Budapest.

Between 1952 and 1992 he was head of the Department of Analysis at the Eötvös Loránd University, Budapest. Corresponding member, member of the Hungarian Academy of Sciences. He has been general secretary, president, honorary president of the János Bolyai Mathematical Society. He received the Kossuth Prize and the Gold Medal of the Hungarian Academy of Sciences.

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Feb 26, 1924

on July 23, 2013


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