. . . . . . . . . "1943Z"^^ . . . . . . . . "Cheeger, Jeff"@en . "American mathematician" . "Jeff Cheeger (born December 1, 1943, Brooklyn, New York City), is a mathematician. Cheeger is professor at the Courant Institute of Mathematical Sciences at New York University in New York City. His main interests are differential geometry and its applications to topology and analysis."@en . . . "Jeff Cheeger"@en . "1943-12-01Z"^^ . . .