Proper two-sided restriction semigroups and partial actions

Restriction categories I: categories of partial maps

J.R.B. Cockett, Stephen Lack · Theoretical Computer Science · 2002 · 165 citations · Full text

Natural Sciences, Mathematics, Set Theory +3

Relation algebras and function semigroups

Boris M. Schein · Semigroup Forum · 1970 · 105 citations

Natural Sciences, Mathematics, Algebra +6

Right PP monoids with central idempotents

John Fountain · Semigroup Forum · 1976 · 83 citations

Natural Sciences, Mathematics, Combinatorics +5

A CLASS OF RIGHT <i>PP</i> MONOIDS

John Fountain · The Quarterly Journal of Mathematics · 1977 · 74 citations

Natural Sciences, Mathematics, Algebra +6

An Invitation to C-semigroups

Marcel Jackson, Tim Stokes · Semigroup Forum · 2001 · 66 citations

Natural Sciences, Mathematics, Set Theory +3