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半群SOP_n的平方幂等元秩 被引量:2

On the Quasi-Idempotent Rank of the Semigroup SOP_n
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摘要 设SOP_n是M上的奇异方向保序交换半群.证明了半群SOP_n是由秩为n-1的平方幂等元生成的,且它的平方幂等元秩为n. Let SOPn be the singular orientation-preserving semigroup on [n]. In the paper we show that the semigroup SOPn is generated by quasi-idempotents of rank n - 1, and its quasi-idempotent rank is n.
出处 《数学的实践与认识》 北大核心 2015年第13期210-214,共5页 Mathematics in Practice and Theory
基金 贵州省教育科学规划重点项目(2013A068) 2014年贵州省教育改革发展研究十大招标课题(2014ZD005) 2014年度贵州省省级本科教学工程建设项目(黔教高发[2014]378号)
关键词 变换半群 方向保序 平方幂等元 transformation semigroup orientation-preserving rank quasi-idempotent rank
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共引文献58

同被引文献15

  • 1Gomes G M S,and Howie J M.On the ranks of certain finite semigroups of transformations[J].Math Proc Cambridge Phil Soc,1987(101):395-403.
  • 2Gomes G M S,Howie J M.On the ranks of certain semigroups of order-preserving transformations[J].Semigroup Forum,1992,45(1):272-282.
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  • 5Catarino P M,Higgins P M.The monoid of orientation-preserving mappings on a chain[J].Semigroup Forum,1999,58(2):190-206.
  • 6Howie J M.Fundamentals of semigroup theory[M].Oxford:The Clarendon Press,1995,1-349.
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  • 8赵平.由秩为r的幂等元生成的方向保序变换半群(英文)[J].数学进展,2010,39(4):443-448. 被引量:5
  • 9赵平,游泰杰,徐波.半群CPO_n的秩[J].西南大学学报(自然科学版),2011,33(6):106-110. 被引量:27
  • 10赵平,游泰杰,徐波.半群PC(n,r)的幂等元秩[J].吉林大学学报(理学版),2012,50(1):44-48. 被引量:7

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