Jean-Louis Koszul (; January 3, 1921 – January 12, 2018) was a French mathematician, best known for studying

geometry Geometry (; ) is, with arithmetic, one of the oldest branches of mathematics. It is concerned with properties of space such as the distance, shape, size, and relative position of figures. A mathematician who works in the field of geometry is c ...

and discovering the

Koszul complex In mathematics, the Koszul complex was first introduced to define a cohomology theory for Lie algebras, by Jean-Louis Koszul (see Lie algebra cohomology). It turned out to be a useful general construction in homological algebra. As a tool, its ho ...

. He was a second generation member of Bourbaki.

Biography

Koszul was educated at the in Strasbourg before studying at the Faculty of Science

University of Strasbourg The University of Strasbourg (french: Université de Strasbourg, Unistra) is a public research university located in Strasbourg, Alsace, France, with over 52,000 students and 3,300 researchers. The French university traces its history to the ea ...

and the Faculty of Science of the

University of Paris , image_name = Coat of arms of the University of Paris.svg , image_size = 150px , caption = Coat of Arms , latin_name = Universitas magistrorum et scholarium Parisiensis , motto = ''Hic et ubique terrarum'' (Latin) , mottoeng = Here and a ...

. His

Ph.D. A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields. Because it is ...

thesis, titled ''Homologie et cohomologie des algèbres de Lie'', was written in 1950 under the direction of

Henri Cartan Henri Paul Cartan (; 8 July 1904 – 13 August 2008) was a French mathematician who made substantial contributions to algebraic topology. He was the son of the mathematician Élie Cartan, nephew of mathematician Anna Cartan, oldest brother of co ...

. He lectured at many universities and was appointed in 1963 professor in the Faculty of Science at the

University of Grenoble The Université Grenoble Alpes (UGA, French: meaning "''Grenoble Alps University''") is a public research university in Grenoble, France. Founded in 1339, it is the third largest university in France with about 60,000 students and over 3,000 resea ...

. He was a member of the

French Academy of Sciences The French Academy of Sciences (French: ''Académie des sciences'') is a learned society, founded in 1666 by Louis XIV of France, Louis XIV at the suggestion of Jean-Baptiste Colbert, to encourage and protect the spirit of French Scientific me ...

. Koszul was the cousin of the French composer

Henri Dutilleux Henri Paul Julien Dutilleux (; 22 January 1916 – 22 May 2013) was a French composer active mainly in the second half of the 20th century. His small body of published work, which garnered international acclaim, followed in the tradition of ...

, and the grandchild of the composer

Julien Koszul Julien Koszul (4 December 1844 – 15 January 1927) was a French composer and pipe organist from Alsace. Biography Born in Morschwiller-le-Bas, Alsace, Koszul studied at the École Niedermeyer de Paris with Camille Saint-Saëns, together with Gab ...

. Koszul married Denise Reyss-Brion on July 17, 1948. They had three children: Michel, Bertrand, and Anne. He died on January 12, 2018 at the age of 97, nine days after his 97th birthday.Décès de Jean-Louis Koszul
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References

External links

* * 1921 births 2018 deaths 20th-century French mathematicians École Normale Supérieure alumni French people of Polish descent Members of the French Academy of Sciences Nicolas Bourbaki Scientists from Strasbourg Grenoble Alpes University faculty {{France-mathematician-stub

Biography

See also

References

External links