Abstract

In this paper, we study a class of naturally ordered abundant semigroups with an adequate monoid transversal, namely, naturally ordered concordant semigroups with an adequate monoid transversal. After giving some properties of such semigroups, we obtain a structure theorem for naturally ordered concordant semigroups with an adequate monoid transversal.

Highlights

  • Suppose that S is a regular semigroup and S∘ is an inverse subsemigroup of S

  • We study a class of naturally ordered abundant semigroups with an adequate monoid transversal, namely, naturally ordered concordant semigroups with an adequate monoid transversal

  • The structure theorems for regular semigroups with an inverse transversal have been given by many authors

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Summary

Introduction

Suppose that S is a regular semigroup and S∘ is an inverse subsemigroup of S. The structure theorems for regular semigroups with an inverse transversal have been given by many authors (see [1,2,3,4]). As we shall discuss below, this paper is one of a sequence in which we concentrate on the structure of a class of naturally ordered abundant semigroups with an adequate monoid transversal.

Preliminaries
Characterization
Order Properties
Structure Theorem
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