bn:00997798n
Noun Concept
Categories: Semigroup theory, Algebraic structures
EN
inverse semigroup  Wagner-Preston theorem  E-unitary inverse semigroup  free inverse semigroup  inverse category
EN
In group theory, an inverse semigroup S is a semigroup in which every element x in S has a unique inverse y in S in the sense that x = xyx and y = yxy, i.e. a regular semigroup in which every element has a unique inverse. Wikipedia
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EN
In group theory, an inverse semigroup S is a semigroup in which every element x in S has a unique inverse y in S in the sense that x = xyx and y = yxy, i.e. a regular semigroup in which every element has a unique inverse. Wikipedia
A semigroup in which every element x has an inverse y, such that x = xyx and y = yxy. Wiktionary
Semigroup in which every element has an inverse. Wiktionary (translation)