Radicals commuting with bands of semigroups.
Kelarev, A.V. (1991)
Acta Mathematica Universitatis Comenianae. New Series
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Displaying similar documents to “Radical decompositions of semiheaps”
Radicals commuting with bands of semigroups.
Idempotent separating congruences on an orthodox semigroup via the least inverse congruence.
Krgović, Dragica N. (1993)
Publications de l'Institut Mathématique. Nouvelle Série
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Congruences on conventional semigroups
Francis E. Masat (1981)
Czechoslovak Mathematical Journal
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Green’s -relation for the multiplicative reduct of an idempotent semiring
Francis J. Pastijn, Xian Zhong Zhao (2000)
Archivum Mathematicum
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The idempotent semirings for which Green’s -relation on the multiplicative reduct is a congruence relation form a subvariety of the variety of all idempotent semirings. This variety contains the variety consisting of all the idempotent semirings which do not contain a two-element monobisemilattice as a subsemiring. Various characterizations will be given for the idempotent semirings for which the -relation on the multiplicative reduct is the least lattice congruence.
Quasi-regularity in semigroups
Robert H. Oehmke (1969-1970)
Séminaire Dubreil. Algèbre et théorie des nombres
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