Helmut Hermann W. Hofer (born February 28, 1956) is a German-American mathematician, one of the founders of the area of symplectic topology. He is a member of the

National Academy of Sciences The National Academy of Sciences (NAS) is a United States nonprofit, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the Nati ...

, and the recipient of the 1999

Ostrowski Prize The Ostrowski Prize is a mathematics award given every odd year for outstanding mathematical achievement judged by an international jury from the universities of Basel, Jerusalem, Waterloo and the academies of Denmark and the Netherlands. Alexand ...

and the 2013

Heinz Hopf Prize The Heinz Hopf Prize is awarded every two years at ETH Zurich. The prize honours ''outstanding scientific work in the field of pure mathematics''. It is named after the German mathematician Heinz Hopf (1894–1971), Professor of Mathematics at ET ...

. Since 2009, he is a faculty member at the Institute for Advanced Study in Princeton, New Jersey. He currently works on

symplectic geometry Symplectic geometry is a branch of differential geometry and differential topology that studies symplectic manifolds; that is, differentiable manifolds equipped with a closed differential form, closed, nondegenerate form, nondegenerate different ...

dynamical systems In mathematics, a dynamical system is a system in which a function describes the time dependence of a point in an ambient space. Examples include the mathematical models that describe the swinging of a clock pendulum, the flow of water in a p ...

, and partial differential equations. His contributions to the field include Hofer geometry. Hofer was elected to the American Academy of Arts and Sciences in 2020. He was an invited speaker at the

International Congress of Mathematicians The International Congress of Mathematicians (ICM) is the largest conference for the topic of mathematics. It meets once every four years, hosted by the International Mathematical Union (IMU). The Fields Medals, the Nevanlinna Prize (to be rename ...

(ICM) in 1990 in Kyoto and a plenary speaker at the ICM in 1998 in Berlin.

Selected publications

* * * * * * * *

Notes

External links

*
Oberwolfach photos of Helmut Hofer
{{DEFAULTSORT:Hofer, Helmut Geometers 20th-century German mathematicians 21st-century German mathematicians Institute for Advanced Study faculty Members of the United States National Academy of Sciences Living people 1956 births Courant Institute of Mathematical Sciences faculty ETH Zurich faculty Fellows of the American Mathematical Society