Werner Fenchel

Moritz Werner Fenchel (German: [ˈfɛnçəl]; 3 May 1905  24 January 1988) was a mathematician known for his contributions to geometry and to optimization theory. Fenchel established the basic results of convex analysis and nonlinear optimization theory which would, in time, serve as the foundation for nonlinear programming. A German-born Jew and early refugee from Nazi suppression of intellectuals, Fenchel lived most of his life in Denmark. Fenchel's monographs and lecture notes are considered influential.

Moritz Werner Fenchel
Werner Fenchel, 1972
Born(1905-05-03)3 May 1905
Berlin, Germany
Died24 January 1988(1988-01-24) (aged 82)
Copenhagen, Denmark
CitizenshipGerman
Alma materUniversity of Berlin
Known forFenchel's duality theorem
Fenchel's theorem
Fenchel–Moreau theorem
Fenchel–Nielsen coordinates
Fenchel–Young inequality
Alexandrov–Fenchel inequality
Legendre–Fenchel transformation
AwardsRockefeller Fellowship (1930)
Membership in the Royal Danish Academy of Sciences and Letters (1946)
Scientific career
FieldsMathematics:
Geometry
Optimization
InstitutionsUniversity of Copenhagen
University of Göttingen
Doctoral advisorLudwig Bieberbach
Doctoral studentsBirgit Grodal
Troels Jørgensen
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