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Articles

Ordered Ehresmann semigroups and categories

Pages 4805-4821 | Received 15 Dec 2021, Accepted 28 Apr 2022, Published online: 28 May 2022

References

  • de Barros, C. M. (1969). Sur les catégories ordonnées régulières. Cahiers Topologie Géom. Différentielle. 11:23–55.
  • Ehresmann, C. (1980–1984). Oeuvres complètes et commentées. A. Ehresmann, Université de Picardie. Suppl. Cahiers Top Géom. Diff., Amiens.
  • FitzGerald, D. G., Kinyon, M. K. (2021). Trace- and pseudo-products: restriction-like semigroups with a band of projections. Semigroup Forum 103(3):848–866. DOI: 10.1007/s00233-021-10221-x.
  • Lawson, M. V. (1991). Semigroups and ordered categories I: the reduced case. J. Algebra 141(2):422–462. DOI: 10.1016/0021-8693(91)90242-Z.
  • Lawson, M. V. (2021). On Ehresmann semigroups. Semigroup Forum 103(3):953–965. DOI: 10.1007/s00233-021-10200-2.
  • Schein, B. M. (1970). Restrictively multiplicative algebras of transformations. Izv. Vysš. Učebn. Zaved. 4(95):91–102. [Russian].

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