known as Legendre–Fenchel transformation, Fenchel transformation, or Fenchel conjugate (after Adrien-Marie Legendre and Werner Fenchel). It allows in particular...

Fenchel is a surname. Notable people with the surname include: Heinz Fenchel (1906–1988), German art director Käte Fenchel (1905–1983), German mathematician...

Moritz Werner Fenchel (German: [ˈfɛnçəl]; 3 May 1905 – 24 January 1988) was a German-born Danish mathematician known for his contributions to geometry...

In convex analysis, the Fenchel–Moreau theorem (named after Werner Fenchel and Jean Jacques Moreau) or Fenchel biconjugation theorem (or just biconjugation...

Tom Michael Fenchel (born 19 March 1940, in Copenhagen) is a Danish marine ecologist and professor first at the University of Aarhus, later at the University...

In mathematics, Fenchel's duality theorem is a result in the theory of convex functions named after Werner Fenchel. Let ƒ be a proper convex function on...

In mathematics, Fenchel–Nielsen coordinates are coordinates for Teichmüller space introduced by Werner Fenchel and Jakob Nielsen. Suppose that S is a compact...

Käte Fenchel née Käte Sperling (21 December 1905 – 19 December 1983) was a German-born Jewish mathematician, best known for her work on non-abelian groups...

In differential geometry, Fenchel's theorem is an inequality on the total absolute curvature of a closed smooth space curve, stating that it is always...

Fenchel's Law is a regularity in population ecology regarding how exponential population growth is related to the body size of the organism. It was first...