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Congruences on regular and completely regular semigroups
Published online by Cambridge University Press: 09 April 2009
Abstract
Congruences on regular semigroups have been characterized in terms of normal equivalences on sets of idempotents and kernels of congruences. A revised characterization is presented here with considerably simplified expressions for the least and greatest congruences associated with normal equivalences and with a new description of kernels. The results are then applied to characterize congruences on completely regular semigroups.
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- Research Article
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- Copyright © Australian Mathematical Society 1982
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