Svetlana Yakovlevna Jitomirskaya (born June 4, 1966) is a Soviet-born American mathematician working on dynamical systems and mathematical physics.Jitomirskaya was born and grew up in Kharkiv.
Both her mother, Valentina Borok, and her father, Yakov Zhitomirskii, were professors of mathematics.Her undergraduate studies were at Moscow State University, where she was a student of, among others, Vladimir Arnold and Yakov Sinai.
She obtained her Ph.D.
from Moscow State University in 1991 under the supervision of Yakov Sinai.
She joined the mathematics department at the University of California, Irvine in 1991 as a lecturer, and she became an assistant professor there in 1994 and a full professor in 2000.
She is best known for solving the ten martini problem along with mathematician Artur Avila.