Bryna Kra

Bryna Rebekah Kra (born October 6, 1966 in Boston ) is an American mathematician.

Kra is the daughter of the mathematician Irwin Kra . She studied at Harvard University (Bachelor in 1988) and received her doctorate in 1995 under Yitzhak Katznelson at Stanford University ( Commutative groups of diffeomorphisms of the circle ). She then went to the Hebrew University in Jerusalem, the University of Michigan , IHES and Ohio State University before becoming an Assistant Professor at Pennsylvania State University . In 2004 she became a professor at Northwestern University , where she headed the math faculty (2011).

It deals with dynamic systems and ergodic theory and especially with their applications in combinatorics and number theory .

In 2010 she received the Levi L. Conant Prize for her essay The Green-Tao Theorem on arithmetic progressions in the primes: an ergodic point of view on the theorem by Terence Tao and Ben Green on arithmetic series in prime numbers . In 2006 she was invited speaker at the International Congress of Mathematicians in Madrid ( From Combinatorics to ergodic theory and back again ). She was on the Executive Committee of the American Mathematical Society and one of its Centennial Fellows in 2006. She is involved in programs to improve math teaching in local schools. In 2016 she was elected a member of the American Academy of Arts and Sciences and in 2019 a member of the National Academy of Sciences . For 2019 Kra was selected as a Noether Lecturer by the Association for Women in Mathematics .

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