Journal profile · MATHEMATICS
Tokyo Journal of Mathematics
ISSN 0387-3870 · Publication Committee for the Tokyo Journal of Mathematics · JAPAN
Tokyo Journal of Mathematics: CAS Zone 4 · Mathematics (2025 upgraded edition); impact factor 0.38; subscription journal; review over 12 weeks (community reports); community-reported acceptance: easy; 29 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Tokyo Journal of Mathematics is published by Publication Committee for the Tokyo Journal of Mathematics 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 Algebraic Geometry and Number Theory, Geometric Analysis and Curvature Flows and Advanced Algebra and Geometry, together about 23.4% of its articles. Its main subfields are Mathematical Physics and Geometry and Topology. (generated from OpenAlex topic counts and CAS ranking data)
The Tokyo Journal of Mathematics was founded in 1978 with the financial support of six institutions in the Tokyo area: Gakushuin University, Keio University, Sophia University, Tokyo Metropolitan University, Tsuda College, and Waseda University. In 2000 Chuo University and Meiji University, in 2005 Tokai University, and in 2013 Tokyo University of Science, joined as supporting institutions.
Source: LetPub
Research area (LetPub): MATHEMATICS
Main research topics OpenAlex counts of recent articles; shares are approximate
- Algebraic Geometry and Number TheoryMathematics8.7%
- Geometric Analysis and Curvature FlowsMathematics7.7%
- Advanced Algebra and GeometryMathematics7%
- Geometric and Algebraic TopologyMathematics6.6%
- Advanced Topics in AlgebraMathematics5.3%
- Mathematical Dynamics and FractalsMathematics5.1%
- advanced mathematical theoriesMathematics4.8%
- Geometry and complex manifoldsMathematics4.8%
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)Mathematics Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 4 |
| Minor | Mathematics | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
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
- Impact factor
- 0.38LetPub ·
- CiteScore 2026-06
- 0.6LetPub ·
- SJR 2026-06
- 0.25LetPub ·
- SNIP 2026-06
- 0.96LetPub ·
- h-index
- 15LetPub ·
- h-index
- 43OpenAlex ·
- i10-index
- 301OpenAlex ·
- 2-year mean citedness
- 0.15OpenAlex ·
- Self-citation rate
- 25%LetPub ·
- Share of gold OA articles
- 0%LetPub ·
Volume
- Articles per year
- 29LetPub ·
Articles by year OpenAlex count · 1,584 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 13 | 7 | 0 |
| 2025 | 29 | 3 | 5 |
| 2024 | 18 | 0 | 4 |
| 2023 | 13 | 1 | 25 |
| 2022 | 31 | 10 | 33 |
| 2021 | 20 | 12 | 31 |
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.
Review & acceptance
Review time and acceptance
- Average review time (community reports)
- over 12 weeksLetPub ·
- Average acceptance (community reports)
- EasyLetPub ·
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
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
- Publication Committee for the Tokyo Journal of Mathematics
- Country or region
- JAPAN
- Language
- English
- ISSN
- 0387-3870
- Official links
- Journal homepage ↗LetPub
FAQ
Frequently asked questions about Tokyo Journal of Mathematics
What CAS zone is Tokyo Journal of Mathematics in?
In the 2025 upgraded edition of the CAS Journal Ranking, Tokyo 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.
What is the impact factor of Tokyo Journal of Mathematics?
The latest impact factor listed by LetPub is 0.38; CiteScore 0.6, h-index 43.
How long does peer review take at Tokyo Journal of Mathematics?
Authors report an average review time of over 12 weeks; the community-reported acceptance is “Easy”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Which databases index Tokyo Journal of Mathematics?
According to LetPub and DOAJ records, Tokyo Journal of Mathematics is indexed in SCIE and Scopus.
Is Tokyo Journal of Mathematics open access, and what is the APC?
Tokyo 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 2026-08-26). Last updated: .