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Identities and quasiidentities in the lattice of overcommutative semigroup varieties (1112.1609v1)
Published 7 Dec 2011 in math.GR
Abstract: We describe overcommutative varieties of semigroups whose lattice of overcommutative subvarieties satisfies a non-trivial identity or quasiidentity. These two properties turn out to be equivalent.
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