Bernd Fischer (mathematician)

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Bernd Fischer at the MFO , 2008

Bernd Fischer (born December 18, 1936 in Endbach ; † August 13, 2020 in Werther (Westphalia) ) was a German mathematician who dealt with the theory of finite groups and who discovered some of the sporadic groups .

life and work

Fischer received his doctorate in 1963 from the Johann Wolfgang Goethe University in Frankfurt am Main under Reinhold Baer (distributive quasi-groups of finite order) . He was then a professor in Frankfurt and, since 1970, since its founding, professor at Bielefeld University , where he was dean of the mathematics faculty on several occasions. 1978/1979 he was at the Institute for Advanced Study . From 1991 to 1993 he was head of the Collaborative Research Center for Discrete Structures in Mathematics .

Fischer researched finite simple groups and their classification. He discovered three sporadic groups named after him, the fishermen groups F 22 , F 23 and F 24 . He also discovered the second largest sporadic group, the so-called baby monster group F 2 . With the help of the baby monster group, Fischer and Robert Griess independently discovered the monster group F 1 in 1973 as the largest of all sporadic groups. The proof of the existence of the monster group was only provided by Griess through an explicit construction of the group.

In 2002 Fischer received an honorary doctorate from the Justus Liebig University in Giessen . In 1978 he was invited speaker at the International Congress of Mathematicians in Helsinki ( Sporadic finite simple groups ).

Bernd Stellmacher and Franz Georg Timmesfeld are among his doctoral students .

literature

  • Mark Ronan: Symmetry and the Monster. Oxford University Press 2006.
  • Gerhard Hiß: The sporadic groups. Annual report DMV 2003 (extended version of a speech on the award of an honorary doctorate to Fischer in 2002 by the University of Giessen). This also includes z. B. the first mention of Fi22 in the lecture books of Oberwolfach January 1969 and a discussion on the discovery of the monster.

Web links

Individual evidence

  1. ^ From Bielefeld University: University mourns Professor Bernd Fischer. August 28, 2020, accessed August 29, 2020 .