Complete Semigroups of Binary Relations

The Subsemigroup Generated By the Idempotents of a Full Transformation Semigroup

John Howie · Journal of the London Mathematical Society · 1966 · 239 citations

Natural Sciences, Organizational Behavior, Representation Theory +4

Modern Applied Algebra.

Eugene A. Klotz, Garrett Birkhoff, Thomas C. Bartee · American Mathematical Monthly · 1972 · 231 citations

Products of idempotents in certain semigroups of transformations

John Howie · Proceedings of the Edinburgh Mathematical Society · 1971 · 119 citations · Full text

Natural Sciences, Mathematics, Algebra +6

On the semigroup of binary relations

Robert J. Plemmons, Michael West · Pacific Journal of Mathematics · 1970 · 99 citations · Full text

Natural Sciences, Computer Science, Mathematics +7

Idempotent generators in finite full transformation semigroups

John Howie · Proceedings of the Royal Society of Edinburgh Section A Mathematics · 1978 · 70 citations

Natural Sciences, Mathematics, Combinatorics +7