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researcher

A. Umar

20 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 author2
  • first author2
  • middle author7
  • last author7

Across the 18 of 20 papers where every author was matched, so the position is known.

fields
  • math.GR15
  • math.CO5
same name
  • A. Umar — 15 papers, h 13
  • A. Umar — 4 papers, h 1
  • A. Umar — 1 paper, h 2
  • A. Umar — 1 paper, h 2

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
20102025
most citedCombinatorial results for certain semigroups of order-preserving full contraction mappings of a finite chain

9 citations · 21 across the 20 of their papers we have counts for

collaborators
Showing 2012 · math.COShow all

1 paper · 2 filters

math.CO2012

On the Construction of Even Order Magic Squares

Abdullahi Umar

The aim of this note is to introduce a fast new general method for the construction of double and single even order magic squares. The method for double even order magic squares is…

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