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Irwin Kra (born January 5, 1937 in Poland) is an American mathematician, who works on the function theory in complex analysis. == Life and work == Kra studied at Polytechnic Institute of Brooklyn (bachelor's degree in 1960) and at Columbia University, where he graduated in 1964 and received his doctorate in 1966 under supervision of Lipman Bers (Conformal Structure and Algebraic Structure). After that, he was from 1966 to 1968 a C.L.E. Moore instructor at Massachusetts Institute of Technology and then at the State University of New York at Stony Brook, where he chaired from 1975 to 1981 the Faculty of Mathematics. From 1991 to 1996, there, he was Dean of the Division of Physical Sciences and Mathematics. Since 2004 he has been Professor Emeritus. He was a visiting professor at the Hebrew University in Jerusalem (where he collaborated with Hershel M. Farkas), the University of Perugia in Santiago de Chile, the Tohoku University, the Fudan University in Shanghai (1987). From 2004 to 2008 he was Director of Math for America, a private organization that is dedicated to the improvement of college education in mathematics in the United States. He currently lives in Setauket, New York. In 2010 he taught at the Northwestern University. From 1972 to 1973 he was a Guggenheim Fellow. In 2012 he became a fellow of the American Mathematical Society.〔(List of Fellows of the American Mathematical Society ), retrieved 2013-01-27.〕 Kra studies Riemann surfaces and their moduli spaces (Teichmüller spaces) and their connection with Kleinian groups and associated automorphic forms and their applications for example in number theory. With Bernard Maskit in 1998, he published the collected works of Lipman Bers on function theory. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Irwin Kra」の詳細全文を読む スポンサード リンク
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