Pierre Berthelot

Pierre Berthelot (French: [bɛʁtəlo]; 1943 – 7 December 2023) was a French mathematician at the University of Rennes. He developed crystalline cohomology and rigid cohomology. Berthelot died on 7 December 2023.

Pierre Berthelot
Berthelot in 1981
Born1943 (1943)
Died7 December 2023(2023-12-07) (aged 79–80)
NationalityFrench
Scientific career
FieldsMathematics
InstitutionsUniversity of Rennes
Doctoral advisorAlexander Grothendieck
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