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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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A note on strongly $E$-reflexive inverse semigroups
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by L. O’Carroll PDF
Proc. Amer. Math. Soc. 79 (1980), 352-354 Request permission

Abstract:

In contrast to the semilattice of groups case, an inverse semigroup S which is the union of strongly E-reflexive inverse subsemigroups need not be strongly E-reflexive. If, however, the union is saturated with respect to the Green’s relation $\mathcal {D}$, and in particular if the union is a disjoint one, then S is indeed strongly E-reflexive. This is established by showing that $\mathcal {D}$-saturated inverse subsemigroups have certain pleasant properties. Finally, in contrast to the E-unitary case, it is shown that the class of strongly E-reflexive inverse semigroups is not closed under free inverse products.
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Additional Information
  • © Copyright 1980 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 79 (1980), 352-354
  • MSC: Primary 20M10
  • DOI: https://doi.org/10.1090/S0002-9939-1980-0567970-X
  • MathSciNet review: 567970