Journal profile · MATHEMATICS
Combinatorics and Number Theory
ISSN 2996-2196 · eISSN 2996-220X · Mathematical Sciences Publishers
Combinatorics and Number Theory: CAS Zone 4 · Mathematics (2026 Xinrui edition); subscription journal; 12 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
Combinatorics and Number Theory is published by Mathematical Sciences Publishers and is classed under Mathematics in the CAS Journal Ranking. By OpenAlex counts of its recent articles, its largest topics are Analytic Number Theory Research, Limits and Structures in Graph Theory and Mathematical Dynamics and Fractals, together about 28.9% of its articles. Its main subfields are Computational Theory and Mathematics. (generated from OpenAlex topic counts and CAS ranking data)
Research area (LetPub): MATHEMATICS
Main research topics OpenAlex counts of recent articles; shares are approximate
- Analytic Number Theory ResearchMathematics11.3%
- Limits and Structures in Graph TheoryMathematics9.3%
- Mathematical Dynamics and FractalsMathematics8.3%
- Graph Labeling and Dimension ProblemsComputer Science8.3%
- Algebraic Geometry and Number TheoryMathematics7.2%
- semigroups and automata theoryComputer Science5.2%
- Advanced Mathematical IdentitiesMathematics4.1%
- Advanced Mathematical Theories and ApplicationsPhysics and Astronomy4.1%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Not covered
Not covered by this edition.
CAS Xinrui Journal Ranking (March 2026)Mathematics Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 4 |
| Minor | Mathematics | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
ESCIScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- CiteScore 2026-06
- 0.8LetPub ·
- SJR 2026-06
- 0.33LetPub ·
- SNIP 2026-06
- 0.52LetPub ·
- h-index
- 2OpenAlex ·
- i10-index
- 0OpenAlex ·
- 2-year mean citedness
- 0.34OpenAlex ·
- Self-citation rate
- 0%LetPub ·
- Share of gold OA articles
- 0%LetPub ·
Volume
- Articles per year
- 14LetPub ·
Articles by year OpenAlex count · 56 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 13 | 5 | 2 |
| 2025 | 12 | 6 | 6 |
| 2024 | 31 | 15 | 11 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Fees & open access
APC and open-access policy
Subscription journalLetPub
A subscription journal: articles are read by subscription or purchase, and authors usually pay no publication charge.
No source has fee information yet; check the journal's website.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Mathematical Sciences Publishers
- ISSN
- 2996-2196
- Electronic ISSN
- 2996-220X
FAQ
Frequently asked questions about Combinatorics and Number Theory
What CAS zone is Combinatorics and Number Theory in?
In the 2026 Xinrui edition it is in Zone 4 of Mathematics. Zones from different editions, and from major and minor categories, are not interchangeable.
Which databases index Combinatorics and Number Theory?
According to LetPub and DOAJ records, Combinatorics and Number Theory is indexed in ESCI and Scopus.
Is Combinatorics and Number Theory open access, and what is the APC?
Combinatorics and Number Theory is a subscription journal. Fee information is not available yet; check the journal's website.
Sources and updates
The facts on this page come from LetPub, OpenAlex; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .