Countries
Institutions
Fields
Rankings
Compare

Search institutions, scholars, countries and publications

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.

Built from

OpenAlex — works, authorships, subject classification
ROR — institutional identity
ORCID — researcher identity
Crossref — publisher confirmation

Browse

Countries
Institutions
Fields
Rankings
What we cover

Coverage is partial and says so. A country appears with its research output only once its works have been swept; until then the portal shows whatever the graph happens to hold for it and labels it as exactly that.

On the small Schröder semigroup $ \mathcal{SS}^{\prime}_{n} $

2026AIMS MathematicsJournalOpen access

10.3934/math.2026705 Full text0 citations

Authors

3 authors across 4 institutions in 3 countries.

Muhammad Mansur ZubairuFirst author
- Bayero University Kano (NG)
Abdullahi Umar
Fatma Salim Al-KharousiSenior author
- Bayero University Kano (NG)

Fields

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

semigroups and automata theorylevel 3 · 0.88
Geometric and Algebraic Topologylevel 3 · 0.03
Advanced Algebra and Logiclevel 3 · 0.02

Sources

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

openalexseen September 9, 2026
2026 · AIMS Mathematics · 0 citations
https://openalex.org/W7164856893

On the small Schröder semigroup $ \mathcal{SS}^{\prime}_{n} $ · Sankore