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Joan Birman

Coverage of Joan Birman in the Nexus archive.

Earliest in view: Jul 24 · 11:15 UTCMost recent: Jul 24 · 11:15 UTC

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SCIENCEJul 24 · 11:15 UTCSCIENTIFIC AMERICAN
How a 99-year-old mathematician unraveled a century-old braid mystery
Joan Birman and two colleagues have developed a proof resolving the Burau representation problem, offering new insights into the geometry of braids. Birman popularized this mathematical problem decades ago.