We present a simple proof of a theorem due to Kaplansky which unifies theorems of Kolchin and Levitzki on triangularizability of semigroups of matrices. We also give two different extensions of the theorem. As a consequence, we prove the counterpart of Kolchin's Theorem for finite groups of unipotent matrices over division rings. (C) 2015 Elsevier Inc. All rights reserved.
机构:
Sichuan Normal Univ, Sch Math Sci, Chengdu 610066, Sichuan, Peoples R ChinaSichuan Normal Univ, Sch Math Sci, Chengdu 610066, Sichuan, Peoples R China
Wang, Fanggui
Qiao, Lei
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Sichuan Normal Univ, Sch Math Sci, Chengdu 610066, Sichuan, Peoples R ChinaSichuan Normal Univ, Sch Math Sci, Chengdu 610066, Sichuan, Peoples R China
机构:
National Research Tomsk State University, TomskNational Research Tomsk State University, Tomsk
Krylov P.A.
Tuganbaev A.A.
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Moscow Power Engineering Institute (National Research University), Moscow
M. V. Lomonosov Moscow State University, MoscowNational Research Tomsk State University, Tomsk
Tuganbaev A.A.
Tsarev A.V.
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Moscow Pedagogical State University, MoscowNational Research Tomsk State University, Tomsk
机构:
Nankai Univ, Sch Math Sci, Tianjin 300071, Peoples R China
Nankai Univ, LPMC, Tianjin 300071, Peoples R ChinaNankai Univ, Sch Math Sci, Tianjin 300071, Peoples R China
Li, Lei
Wong, Ngai-Ching
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Natl Sun Yat Sen Univ, Dept Appl Math, Kaohsiung 80424, TaiwanNankai Univ, Sch Math Sci, Tianjin 300071, Peoples R China