Regular semigroups with skew pairs of idempotents

Thomas Scott Blyth, MH Almeida Santos

Research output: Other contribution

8 Citations (Scopus)


Let S be a regular semigroup with set of idempotents E(S). Given x, y is an element of S, we say that (x, y) is a skew pair if xy is not an element of E(S) whereas yx is an element of E(S). Here we use this concept to characterise certain regular Rees matrix semigroups.

Original languageEnglish
Publication statusPublished - Sept 2002


  • regular semigroup
  • idempotents
  • skew pairs


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