Jean Giraud (mathematician)

Jean Giraud (French: [ʒiʁo]; 2 February 1936 – 27 or 28 March 2007)^[1][2] was a French mathematician, a student of Alexander Grothendieck.^[3] His research focused on non-abelian cohomology and the theory of topoi. In particular, he authored the book Cohomologie non-abélienne (Springer, 1971) and proved the theorem that bears his name, which gives a characterization of a Grothendieck topos.^[4]

Jean Giraud
Born	(1936-02-02)2 February 1936
Died	28 March 2007(2007-03-28) (aged 71)
Nationality	French
Alma mater	University of Paris
Known for	Giraud subcategory Giraud's axioms Gerbe Sieve Stacks Twisted sheaf
Scientific career
Fields	Mathematics
Doctoral advisor	Alexander Grothendieck

From 1969 to 1989, he was a professor at École normale supérieure de Saint-Cloud.^[1]

From 1993 to 1994, he was deputy director for research of École normale supérieure de Lyon, where he was made interim director in 1994 and director from 1995 to 2000.^[2]

See also

• Fibred category