Joan Birman

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Joan S. Birman (born May 30, 1927) is a professor emeritus of mathematics at Columbia University's Barnard College.

She received her Ph.D. from New York University in 1968 with a thesis on Braid groups and their relationship to mapping class groups. Her advisor was Wilhelm Magnus.

She is a leading topologist and one of the pioneers of braid theory, and the author of the influential book Braids, Links, and Mapping Class Groups.

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