Joan Sylvia Lyttle Birman (born May 30, 1927, in New York City) 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. Birman is currently research professor emerita at Barnard College, Columbia University, where she has been since 1973.
Born |
30 May 1927 (age 98) New York City, New York
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Zodiac | Gemini |
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