High Quality Content by WIKIPEDIA articles! Victor Ginzburg (born 1957) is a Russian American mathematician who works in representation theory and in noncommutative geometry. He is mostly known for his contribution to geometric representation theory, especially, for his works on representations of quantum groups and Hecke algebras, on the geometric Langlands program (Satake equivalence of categories), and on Koszul duality for algebras and operads (cf. Koszul algebra).