Bernhard Keller

Bernhard Keller (born 1962) is a Swiss mathematician, specializing in algebra.

Keller received in 1990 his PhD from the University of Zurich under Pierre Gabriel with the thesis On Derived Categories.

He has applied triangulated Calabi–Yau categories to the (additive) categorification of cluster algebras.

He was an Invited Speaker at the International Congress of Mathematicians in Madrid in 2006,[3] with a talk On differential graded categories.

Keller is a fellow of the American Mathematical Society.