Associativity of the regular semidirect product of existence varieties
نویسندگان
چکیده
منابع مشابه
Semidirect Products of Regular Semigroups
Within the usual semidirect product S ∗ T of regular semigroups S and T lies the set Reg (S ∗ T ) of its regular elements. Whenever S or T is completely simple, Reg (S ∗T ) is a (regular) subsemigroup. It is this ‘product’ that is the theme of the paper. It is best studied within the framework of existence (or e-) varieties of regular semigroups. Given two such classes, U and V, the e-variety U...
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Associativity of the Tensor Product of Semilattices
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ژورنال
عنوان ژورنال: Journal of the Australian Mathematical Society. Series A. Pure Mathematics and Statistics
سال: 2000
ISSN: 0263-6115
DOI: 10.1017/s1446788700001853