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Victor Kac
Russian-American mathematician (1943-) · United States · On the map · Academics
Victor Gershevich (Grigorievich) Kac is a Soviet and American mathematician at MIT, known for his work in representation theory. He co-discovered Kac-Moody algebras, and used the Weyl-Kac character formula for them to reprove the Macdonald identities.
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He classified the finite-dimensional simple Lie superalgebras, and found the Kac determinant formula for the Virasoro algebra. He is also known for the Kac-Weisfeiler conjectures with Boris Weisfeiler.