J4 ›› 2012, Vol. 47 ›› Issue (12): 64-68.

• Articles • Previous Articles     Next Articles

Perfert U-abundant semigroups

LI Gang1, LIU Qing2, FU Guo-wen1   

  1. 1. School of Mathematical Sciences, Shandong Normal University, Jinan 250014, Shandong, China;
    2. Foundation Department, Shandong Urban Construction Vocational College, Jinan 250103, Shandong, China
  • Received:2012-03-19 Online:2012-12-20 Published:2012-12-14

Abstract:

The relationship U on a semigroup is difined, and then by means of normal bands and C-U-abundant semigroups, some structure theorems of perfect U-abundant semigroups are given.
 

Key words: perfect LU-abundant semigroups;  C-U-abundant semigroups; normal bands; spined product

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