Some properties of Umar semigroups: isomorphism theorems, ranks and maximal inverse subsemigroups
© 2018 Springer Science+Business Media, LLC, part of Springer Nature In a paper published in 1994, Umar defined an interesting class of transformation semigroups which naturally generalizes the Vagner one-point completion of the symmetric inverse semigroup. In this paper we prove some isomorphism th...
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| Main Authors: | , , |
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| Format: | Journal |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85046012547&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/58807 |
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| Institution: | Chiang Mai University |