1952-1957 : studied the faculty of Mathematicas and Physics of the Charles University in Prague

1957-1960 : postgradual study in the Mathematical Institute of the Charles University,supervisor Prof.Eduard Čech

since 1960 : employed by the faculty of Mathematics and Physics of the Charles University

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1960-1967 : assistent

1967-1986 : dozent ( corresponding to Associated Prof.)

1986-1991 : senior researcher

since 1991 :professor

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reached :

in 1961 : CSc (scientific degree corresponding to PhD )

in 1961 : RNDr

in 1989 : DrSc (higher scientific dergree )

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member of the editorial board of Algebra Universalis

member of the editorial board of Scientiae Mathematicae Japonicae

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obtained :

in 1978 : faculty medal II. degree

in 1994 : faculty medal I. degree

in 1999 : professor emeritus