Semilattices with a group of automorphisms
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- Maróti, M. Algebra univers. (1997) 38: 238. doi:10.1007/s000120050054
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We investigate semilattices expanded by a group F of automorphisms acting as new unary basic operations. We describe up to isomorphism all simple algebras of this kind in case that F is commutative. Finally, we present an example of a simple algebra that does not fit in the previous description, if F is not commutative.