Some properties of E-m semigroups.
A. Varisco, Spoletini, A. Cherubini (1979)
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A. Varisco, Spoletini, A. Cherubini (1979)
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J. Fountain, M. Lawson (1985)
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A. Varisco, Spoletini A. Cherubini (1979)
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Shoufeng Wang (2017)
Open Mathematics
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As a generalization of the class of inverse semigroups, the class of Ehresmann semigroups is introduced by Lawson and investigated by many authors extensively in the literature. In particular, Gomes and Gould construct a fundamental Ehresmann semigroup CE from a semilattice E which plays for Ehresmann semigroups the role that TE plays for inverse semigroups, where TE is the Munn semigroup of a semilattice E. From a varietal perspective, Ehresmann semigroups are derived from reduction...
Protić, Petar V. (1997)
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M. Kunze (1992)
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Pierre Antoine Grillet (1995)
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A. Nagy (1985)
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