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researcher

A. Umar

14 papers hereh-index 14601 citations61 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author1
  • first author2
  • middle author4
  • last author5

Across the 12 of 14 papers where every author was matched, so the position is known.

fields
  • math.GR11
  • math.CO3
same name
  • A. Umar — 1 paper

Either other researchers who publish under this name, or the same person where the external sources have not merged their records.

identity via Semantic Scholar / OpenAlex

activity
20102024
most citedA countable family of finitely presented infinite congruence-free monoids

2 citations · 4 across the 11 of their papers we have counts for

collaborators
Showing 2024Show all

1 paper · 1 filter

math.GR2024

On injective partial Catalan monoids

F. S. Al-Kharousi, A. Umar, M. M. Zubairu

Let [n] be a finite chain {1,2,…,n}, and let ICn​ be the semigroup consisting of all isotone and order-decreasing injective partial transformations on $…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.