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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Boris Weisfeiler ： ウィキペディア英語版 Boris Weisfeiler Boris Weisfeiler (born 1942 – disappeared 1985) is a Russian-born mathematician who lived in the United States before going missing in Chile in 1985, aged 43.〔(Tracing a Mystery of the Missing in Chile )〕 The Chilean military dictatorship claimed that he drowned, but his family believes he was forced to disappear near Colonia Dignidad, an enclave led by ex-Nazi Paul Schäfer. == Biography == Weisfeiler was born in the Soviet Union. He obtained his Ph.D. in 1970 from the Steklov Institute of Mathematics Leningrad Department, as a student of E. B. Vinberg.〔(The Mathematics Genealogy Project - Èrnest Vinberg )〕 In the early 1970s Weisfeiler was asked to sign a letter against a colleague, and for his refusal was branded "anti-Soviet". In 1975, Weisfeiler left the USSR in order to freely practice his career and religion. After a short time under Armand Borel at the Institute for Advanced Study near Princeton University, Weisfeiler settled in as a professor at Penn State University. In 1981, he became a naturalized citizen of the United States. Weisfeiler's research spanned twenty years, and he published three dozen research papers. According to his colleague Alexander Lubotzky, Weisfeiler was studying "the more difficult questions" of algebraic groups in "the case when the field is not algebraically closed and the groups do not split or — even worse — are nonisotropic". He is known for the Weisfeiler-Lehman algorithm, the Kac-Weisfeiler conjectures, the Weisfeiler filtration, and work on strong approximation and on finite linear groups.〔(【引用サイトリンク】title=The Weisfeiler Lecture in Mathematics )〕 Weisfeiler, an experienced outdoorsman, went on a solo hiking trip over Christmas of 1984 to the Chilean Andes. 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「Boris Weisfeiler」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.