On Hartwig–Nambooripad orders

Alexander Guterman, Xavier Mary, Pavel Shteyner

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We obtain several equivalent characterizations for the Hartwig–Nambooripad order based on outer inverses. We also introduce new partial orders on arbitrary semigroups extending these regular semigroup orders. On epigroups these new partial orders admit characterizations in terms of outer inverses.

Original languageEnglish
Pages (from-to)64-74
Number of pages11
JournalSemigroup Forum
Volume98
Issue number1
DOIs
StatePublished - 15 Feb 2019
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2018, Springer Science+Business Media, LLC, part of Springer Nature.

Keywords

  • Generalized inverses
  • Hartwig–Nambooripad order
  • Ordered semigroups

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