"1930Z"^^ . "Ehrenpreis, Leon"@en . "American mathematician" . "2010Z"^^ . "1930-05-22Z"^^ . "Leon Ehrenpreis (May 22, 1930 - August 16, 2010, Brooklyn) was a mathematician at Temple University who proved the Malgrange\u2013Ehrenpreis theorem, the fundamental theorem about differential operators with constant coefficients.Ehrenpreis was one of Claude Chevalley's students at Columbia University."@en . "2010-08-16Z"^^ .