Google
×

Marina Ratner

Professor of mathematics
Marina Evseevna Ratner was a professor of mathematics at the University of California, Berkeley who worked in ergodic theory. Around 1990, she proved a group of major theorems concerning unipotent flows on homogeneous spaces, known as Ratner's... Wikipedia
Born: October 30, 1938, Moscow, Russia
Died: July 7, 2017 (age 78 years), El Cerrito, CA
Award: Ostrowski Prize (1993)
Thesis: Geodesic Flows on Unit Tangent Bundles of Compact Surfaces of Negative Curvature (1969)