2006 / December Volume 1 No.4
0-tight completely 0-simple semigroups
Published Date |
2006 / December
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Title | 0-tight completely 0-simple semigroups |
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Pagination | 475-484 |
Abstract | A semigroup is 0-tight if each of its congruences is uniquely determined by each of the congruence classes which do not contain
zero. We classify nite 0-tight rectangular 0-bands, and characterize 0-tight completely 0-simple semigroups. Finally, we obtain
correspoding results about tight completely simple semigroups.
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AMS Subject Classification |
20M20, 08A35
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Received |
2006-01-03
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