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Sankore

Named after the University of Sankore in Timbuktu — one of the world’s oldest centres of learning. Every figure here is computed from work-level records in our own graph, never copied from a source’s summary count.

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Regularity and Green’s relations for the semigroups of partial and full contractions of a finite chain

2023Scientific AfricanJournalOpen access

10.1016/j.sciaf.2023.e01890 Full text2 citations

Authors

3 authors across 3 institutions in 2 countries.

B. AliFirst author
- Nigerian Defence Academy (NG)
- Bayero University Kano (NG)
as printed: Bashir Ali
Abdullahi Umar
- Nigerian Defence Academy (NG)
- Bayero University Kano (NG)
Muhammad Mansur ZubairuSenior authorCorresponding
- Nigerian Defence Academy (NG)
- Bayero University Kano (NG)

Fields

Assignment is probabilistic — a work belongs to several fields in proportions.

semigroups and automata theorylevel 3 · 1.00
Geometric and Algebraic Topologylevel 3 · 0.98

Sources

Several sources describing one work is the point — it means the record rests on more than one authority.

openalexseen September 9, 2026
2023 · Scientific African · 2 citations
https://openalex.org/W4386575078

Regularity and Green’s relations for the semigroups of partial and full contractions of a finite chain · Sankore