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Joseph Liberman (1917, Henichesk – August 1941, (ロシア語:Иосиф Меерович Либерман)) was a Soviet mathematician, a student of Aleksandrov, best known for Liberman's lemma. ==Biography== In 1936 he entered Leningrad State University as one of the winners of the first city Mathematical Olimpiad. He worked in geometry and real analysis. In 1938 he published his first paper. In 1939 he entered graduate school. He served in the army since June 1941. He defended Ph.D. thesis in June 1941. At this time he was already leutnant of Navy anti-aircraft warfare. In August 1941 he was sent to Tallinn, Estonia where he died. Three geometric papers of Liberman appeared in 1941 and another in 1943. 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「Joseph Liberman」の詳細全文を読む スポンサード リンク
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