# The Ostrowski Prize

The Ostrowski prize is awarded every two years for the best achievements in pure mathematics and the theoretical foundations of numerical analysis. The prize is awarded by a foundation established by Alexander Markowich Ostrowski.

Sorin Popa

Ib Madsen

David Preiss

Kannan Soundararajan

Yitang Zhang

Peter Scholze

**1989**Louis de Branges... for his proof of the Bieberbach conjecture.

**1991**Jean Bourgain... for his work on ergodic theory.

**1993**Miklos Laczkovich (Hungary) and Marina Ratner... for their work on Lie groups.

**1995**Andrew J Wiles... for his proof of Fermat's Last Theorem.

**1997**Yuri V Nesterenko... for his work on algebraic number theory.

**1997**Gilles I Pisier... for his work on operator theory.

**1999**Alexander A Beilinson... for his work on representation theory, arithmetic geometry, and modern mathematical physics.

**1999**Helmut H Hofer... for his contributions to contact and symplectic geometry.

**2001**Henryk Iwaniec... for his work on analytic number theory.

**2001**Peter Sarnak... for his contributions to number theory and to questions of analysis motivated by number theory.

**2001**Richard L Taylor... for his work on number theory, particularly his application of automorphic forms to arithmetic problems related to l-adic Galois representations.

**2003**Paul Seymour... for his work on discrete mathematics.

**2005**Ben Green and Terence Tao... for their exceptional achievements in the area of analytic and combinatorial number theory.

**2007**Oded Schramm... for his fundamental contributions to conformal geometry, probability theory, and mathematical physics.

**2009**Sorin Popa

for outstanding mathematical achievement in the field of operator algebras.

**2011**Ib Madsen

... through his research and leadership has made a huge impact on the fields of geometry and topology.

**2011**David Preiss

... is undoubtedly the leading researcher in the world in geometric measure theory.

**2011**Kannan Soundararajan

... has produced a cornucopia of fundamental results in the last five years to go along with his brilliant earlier work.

**2013**Yitang Zhang

... for his breakthrough work on small gaps between prime numbers.

**2015**Peter Scholze

... for his breakthrough work in arithmetic algebraic geometry.