Regular semi-groups whose idempotents satisfy permutation identities

Concerning nonnegative matrices and doubly stochastic matrices

Richard Sinkhorn, Paul Knopp · Pacific Journal of Mathematics · 1967 · 891 citations · Full text

Natural Sciences, Mathematics, Dynamical Systems +8

Semigroups Admitting Relative Inverses

A. H. Clifford · Annals of Mathematics · 1941 · 226 citations

Natural Sciences, Mathematics, Algebra +6

Biorthogonal polynomials suggested by the Laguerre polynomials

J. D. E. Konhauser · Pacific Journal of Mathematics · 1967 · 148 citations · Full text

Natural Sciences, Mathematics, Differential Equations +8

Idempotent Semigroups

David McLean · American Mathematical Monthly · 1954 · 110 citations

Regular semi-groups whose idempotents satisfy permutation identities

Miyuki Yamada · Pacific Journal of Mathematics · 1967 · 102 citations · Full text

Natural Sciences, Immunology, Group Work +6