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幂等元集为左正则带的lpp半群 被引量:1

lpp Semigroup Whose Idempotents Form a Left Regular Band
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摘要 研究幂等元集为左正则带的lpp半群,引入这类半群的恰当断面的概念,定义断面S0与左零半群的半格I的半直积I×σS0,证明了I×σS0是幂等元集为左正则带的lpp半群且具有同构于S0的恰当断面.从而推广了Saito T(1989)中关于具有逆断面的左逆半群的结构定理. lpp semigroup whose idempotents form a left regular band is studied. The authors construct a semidireet product I×σS^0 of a left regular band I and an adequate transversal S^0 and shows that I×σS^0 is a lpp semigroup whose idempotents form a left regular band with an adequate transversal isomorphic to S^0.
出处 《曲阜师范大学学报(自然科学版)》 CAS 2005年第4期31-34,共4页 Journal of Qufu Normal University(Natural Science)
关键词 lpp半群 富足半群 恰当断面 半直积 lpp semigroups abundant semigroups adequate transversal semidirect product
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参考文献6

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共引文献6

同被引文献3

  • 1Shi J Y.Congruence classes of presentations for the complex reflection groups G(m,1,n) and G(m,m,n)[J].Indagationes Mathematicae N S,2005,16(2):267-288.
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