Journal profile · MATHEMATICS
Tsukuba Journal of Mathematics
ISSN 0387-4982 · eISSN 2423-821X · University of Tsukuba
Tsukuba Journal of Mathematics: CAS Zone 4 · Mathematics (2025 upgraded edition); subscription journal; 11 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
Tsukuba Journal of Mathematics is published by University of Tsukuba and is in Zone 4 of Mathematics in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Geometric Analysis and Curvature Flows, Advanced Topics in Algebra and Geometry and complex manifolds, together about 26.4% of its articles. Its main subfields are Geometry and Topology. (generated from OpenAlex topic counts and CAS ranking data)
Research area (LetPub): MATHEMATICS
Main research topics OpenAlex counts of recent articles; shares are approximate
- Geometric Analysis and Curvature FlowsMathematics11.2%
- Advanced Topics in AlgebraMathematics8.4%
- Geometry and complex manifoldsMathematics6.9%
- Algebraic structures and combinatorial modelsMathematics6.7%
- Advanced Topology and Set TheoryMathematics6.2%
- Rings, Modules, and AlgebrasMathematics5.7%
- Advanced Differential Geometry ResearchPhysics and Astronomy5.4%
- Advanced Algebra and GeometryMathematics5.3%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Mathematics Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 4 |
| Minor | Mathematics | Zone 4 |
Top journal: noReview journal: no
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
- 0.6LetPub ·
- SJR 2026-06
- 0.24LetPub ·
- SNIP 2026-06
- 0.69LetPub ·
- h-index
- 36OpenAlex ·
- i10-index
- 221OpenAlex ·
- 2-year mean citedness
- 0.16OpenAlex ·
- Self-citation rate
- 0%LetPub ·
- Share of gold OA articles
- 0%LetPub ·
Volume
- Articles per year
- 2LetPub ·
Articles by year OpenAlex count · 1,226 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 6 | 3 | 0 |
| 2025 | 11 | 9 | 2 |
| 2024 | 8 | 3 | 2 |
| 2023 | 14 | 2 | 7 |
| 2022 | 11 | 6 | 17 |
| 2021 | 12 | 7 | 13 |
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
- University of Tsukuba
- ISSN
- 0387-4982
- Electronic ISSN
- 2423-821X
- Official links
- Journal homepage ↗OpenAlex
FAQ
Frequently asked questions about Tsukuba Journal of Mathematics
What CAS zone is Tsukuba Journal of Mathematics in?
In the 2025 upgraded edition of the CAS Journal Ranking, Tsukuba Journal of Mathematics is in Zone 4 of Mathematics, and in Zone 4 of the minor category Mathematics. 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 Tsukuba Journal of Mathematics?
According to LetPub and DOAJ records, Tsukuba Journal of Mathematics is indexed in ESCI and Scopus.
Is Tsukuba Journal of Mathematics open access, and what is the APC?
Tsukuba Journal of Mathematics 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 2026-08-25). Last updated: .