Regular ω-semigroups
1968 ◽
Vol 9
(1)
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pp. 46-66
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Let S be a semigroup whose set E of idempotents is non-empty. We define a partial ordering ≧ on E by the rule that e ≧ f and only if ef = f = fe. If E = {ei: i∈ N}, where N denotes the set of all non-negative integers, and if the elements of E form the chainthen S is called an ω-semigroup.
1970 ◽
Vol 13
(1)
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pp. 115-118
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1967 ◽
Vol 63
(1)
◽
pp. 9-10
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Keyword(s):
Keyword(s):
1965 ◽
Vol 7
(2)
◽
pp. 93-100
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Keyword(s):
1969 ◽
Vol 27
◽
pp. 160-161