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Joan Birman
U.S. mathematician · United States · On the map · Academics · Born 1927 · age 99
Joan Sylvia Lyttle Birman is an American mathematician, specializing in low-dimensional topology. She has made contributions to the study of knots, 3-manifolds, mapping class groups of surfaces, geometric group theory, contact structures and dynamical systems.
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Birman is research professor emerita at Barnard College, Columbia University, where she has been since 1973.