Results 41 to 50 of about 309 (55)

On pseudovarieties, varieties of languages, filters of congruences, pseudoidentities and related topics

Algebra Universalis, 1990
Jorge Almeida
exaly  

On Kovács–Newman ordered semigroups

Semigroup Forum, 2021
exaly  

Pseudovarieties of Ordered Completely Regular Semigroups

Results in Mathematics, 2019
Jorge Almeida
exaly  

The Intersection of Pseudovarieties of Central Simple Semigroups

Semigroup Forum, 2006
Edmond W H Lee, Norman R Reilly
exaly  

On the irreducibility of pseudovarieties of semigroups

Journal of Pure and Applied Algebra, 2016
Jorge Almeida
exaly  

Minimal nonpermutative pseudovarieties of semigroups. I

Pacific Journal of Mathematics, 1986
Jorge Almeida
exaly  

The lattice of pseudovarieties of idempotent semigroups and a non-regular analogue

Algebra Universalis, 1997
P Weil
exaly  

Pseudovarieties of completely regular semigroups

Semigroup Forum, 1991
exaly  

SOLVING SYSTEMS OF EQUATIONS MODULO PSEUDOVARIETIES OF ABELIAN GROUPS AND HYPERDECIDABILITY

2007
Manuel Delgado, Benjamin Steinberg
exaly  

Minimal nonpermutative pseudovarieties of semigroups. II

Pacific Journal of Mathematics, 1986
Jorge Almeida
exaly