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Congruences on abundant semigroups with quasi-ideal S-adequate transversals

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In this paper, we give congruences on an abundant semi- group with a quasi-ideal S-adequate transversal S◦ by the congruence pair abstractly which consists of congruences on the structure component parts R and Λ. We prove that the set of all congruences on this kind of semigroups is a complete lattice.

Abstract

In this paper, we give congruences on an abundant semi- group with a quasi-ideal S-adequate transversal S◦ by the congruence pair abstractly which consists of congruences on the structure component parts R and Λ. We prove that the set of all congruences on this kind of semigroups is a complete lattice.

참고문헌 (12)

  1. T. S. Blyth, "Regular semigroups with a multiplicative inverse transversal", Proc. Roy. Soc. Edinburgh Sect. A, 92(3-4), pp.253~270 (1982)
  2. J. F. Chen, "Abundant semigroups with adequate transversals", 2000, 60(1), pp.67~79 (2000)
  3. A. El-Qallali, "semigroups with a multiplicative type A transversal", Semigroup Forum, 47(3), pp.327~340 (1993)
  4. J. B. Fountain, "Adequate semigroups", Proc. Edinburgh Math. Soc, 22(2), pp.113~125 (1979)
  5. J. B. Fountain, "Abundant semigroups", Proc London Math. Soc, 44(1), pp.103~129 (1982)
  6. X. J. Guo, "Abundant semigroups with a multiplicative adequate transversal", Acta Math. Sin, 18(2), pp.229~244 (2002)
  7. X. J. Guo, "Idempotent-connected abundant semigroups which are dis-joint unions of quasi-ideal adequate transversals", Comm. Algebra, 30(4), pp.1779~1800 (2002)
  8. Xiangjun Kong, "Abundant semigroups with quasi-ideal S-adequate transversals", 대한수학회논문집, 26(1), pp.1~12 (2011), 대한수학회
  9. X. L. Tang, "Regular semigroups with inverse transversals", Semigroup Forum, 55(1), pp.24~32 (1997)
  10. X. L. Tang, "Congruences on regular semigroups with inverse transver-sals", Comm. Algebra, 23(11), pp.4157~4171 (1995)
  11. L. M. Wang, On congruence lattice of regular semigroups with Q-inverse transversals, Semigroup Forum 50, "On congruence lattice of regular semigroups with Q-inverse transversals", Semigroup Forum, 50(2), pp.141~160 (1995)
  12. L. M. Wang, "Congruence lattices of regular semigroups with inverse transversals", Comm. Algebra, 26(4), pp.1234~1255 (1998)

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