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Keywords:
commutative; zeropotent; semigroup
commutative; zeropotent; semigroup
Summary:
Commutative semigroups satisfying the equation $2x+y=2x$ and having only two $G$-invariant congruences for an automorphism group $G$ are considered. Some classes of these semigroups are characterized and some other examples are constructed.
References:
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