Brian Greene

Brian Randolph Greene[1] (born February 9, 1963) is an American theoretical physicist, mathematician, and string theorist.
He has been a professor at Columbia University since 1996 and chairman of the World Science Festival since co-founding it in 2008.
Greene has worked on mirror symmetry, relating two different Calabi–Yau manifolds (concretely, relating the conifold to one of its orbifolds).
He also described the flop transition, a mild form of topology change, showing that topology in string theory can change at the conifold point.


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