Background
Then his father, older brother and himself were arrested by the conquerors and sent in a concentration camp approximatively 45 miles East of Budapest.
mathematician university professor topologist
Then his father, older brother and himself were arrested by the conquerors and sent in a concentration camp approximatively 45 miles East of Budapest.
Budapest University.
He discovered the Császár polyhedron, a nonconvex polyhedron without diagonals. He introduced the notion of syntopogeneous spaces, a generalization of topological spaces. Between 1952 and 1992 he was head of the Department of Analysis at the Eötvös Loránd University, Budapest.
Corresponding member (1970), member (1979) of the Hungarian Academy of Sciences.
He has been general secretary (1966–1980), president (1980–1990), honorary president (since 1990) of the János Bolyai Mathematical Society.
Hungarian Academy of Sciences]
He is a member of the group of five students of the late professor Lipót Fejér who called them "The Big Five". Four members of the group are retired mathematics professors in North America and only Császár became a university professor in Budapest.
Married Klára Cseley.