In semigroup theory, a Schützenberger group is a group associated with a Green H-class of a semigroup. The Schützenberger groups associated with different H-classes are distinct, but the groups associated with two different H-classes contained in the same D-class of a semigroup are isomorphic.
In semigroup theory, a Schützenberger group is a group associated with a Green H-class of a semigroup. The Schützenberger groups associated with different H-classes are distinct, but the groups associated with two different H-classes contained in the same D-class of a semigroup are isomorphic.
Source: Wikipedia "Schützenberger group" · CC BY-SA 4.0
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