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Vladimir Petrovich Platonov ((ベラルーシ語:Уладзімір Пятровіч Платонаў, Uladzimir Piatrovic Platonau); (ロシア語:Влади́мир Петро́вич Плато́нов), Vladimir Platonov) (born December 1, 1939, Stayki village, Vitebsk Region, Belarusian SSR) is a Soviet, Belarusian and Russian mathematician, expert in algebraic geometry and topology, member of the Russian Academy of Science.〔(Платонов Владимир Петрович ), profile as the Russian Academy of Science website, President of the Belarus Academy of Science (1987–1992).〕〔(Владимир Петрович Платонов (К 60-летию со дня рождения). ) ("Vladimir Petrovich Platonov (on the occasion of the 60th anniversary)"), Известия Национальной академии наук Беларуси СЕРИЯ ФИЗИКО-МАТЕМАТИЧЕСКИХ НАУК, No. 1, 2000, pp. 135–136〕 〔(Academician Vladimir P. Platonov ), Belarusian Academy of Sciences〕 In 1992–2004 he worked at various research centers of the United States, Canada and Germany.〔 == Academic career == In 1961 Platonov graduated with highest distinction from Belarus State University. Two years later (in 1963) he received his Ph.D. from Academy of Sciences of Belarus. Platonov received his Doctor of Science degree from the Academy of Sciences of USSR in 1967. At the age of 28 Platonov received a title of full professor of the Belarus State University. This made him the youngest full professor in the history of Belarus. Since 1972 he has been an Academician of the National Academy of Sciences of Belarus and its President (1987–1993).〔(【引用サイトリンク】title=Academician Vladimir P. Platonov )〕 Academician of the Russian /USSR Academy of Sciences since 1987. He was the Director of the Institute of Mathematics of the Academy of Sciences of Belarus from 1977 to 1992. His interests are algebra, algebraic geometry, and number theory. He solved the Strong approximation problem, developed the reduced K-theory and solved the Tannaka–Artin problem.〔V. P. Platonov, "The Tanaka–Artin problem and reduced K-theory," Izv. Akad. Nauk SSSR,. Ser. Mat., 40:2, 1976, pp. 227–261 ( (Проблема Таннака–Артина и приведенная ''K''-теория ))〕 He solved also the Kneser–Tits and Grothendieck problems.Together with F.Grunewald he solved the arithmeticity problem for finite extensions of arithmetic groups and the rigidity problem for arithmetic subgroups of algebraic groups with radical. Platonov solved also the rationality problem for spinor varieties and the Dieudonne problem on spinor norms. Platonov was an invited speaker of the International Congresses of Mathematicians in Vancouver (1974), Helsinki (1978) and the European Congress of Mathematicians in Budapest (1996). He is a member of the Canadian Mathematical Society and was from 1993 to 2001 a Professor of the Faculty of Mathematics of the University of Waterloo in Waterloo, Ontario, Canada. He is the author, with Andrei Rapinchuk, of ''Algebraic Groups and Number Theory'' 〔Vladimir Platonov, Andrei Rapinchuk, ''Algebraic Groups and Number Theory'', Academic Press, 1993, ISBN 978-0-12-558180-6, (Алгебраические группы и теория чисел ), УМН, 1992, No. 47:2 (284), pp. 117–141〕 He currently works as a Chief Science Officer of Scientific Research Institute of System Development (NIISI RAN).〔 (Vladimir Platonov ) at NIISI website〕 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「Vladimir Platonov」の詳細全文を読む スポンサード リンク
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