Journal profile · Mathematics
Osaka Journal of Mathematics
ISSN 0030-6126 · Osaka University · JAPAN · Quarterly
Osaka Journal of Mathematics: CAS Zone 4 · Mathematics (2025 upgraded edition); impact factor 0.44; subscription journal; review over 12 weeks (community reports); community-reported acceptance: easy; 31 articles a year; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Osaka Journal of Mathematics is published by Osaka University 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 Homotopy and Cohomology in Algebraic Topology, Advanced Algebra and Geometry and Advanced Topics in Algebra, together about 31.8% of its articles. Its main subfields are Mathematical Physics and Geometry and Topology. (generated from OpenAlex topic counts and CAS ranking data)
Osaka Journal of Mathematics is published quarterly by the joint editorship of the Department of Mathematics, Graduate School of Science, Osaka University, and the Department of Mathematics, Faculty of Science, Osaka City University and the Department of Pure and Applied Mathematics, Graduate School of Information Science and Technology, Osaka University with the cooperation of the Department of Mathematical Sciences, Faculty of Engineering Science, Osaka University. The Journal is devoted entirely to the publication of original works in pure and applied mathematics.
Source: LetPub
Research area (LetPub): Mathematics
Main research topics OpenAlex counts of recent articles; shares are approximate
- Homotopy and Cohomology in Algebraic TopologyMathematics11.4%
- Advanced Algebra and GeometryMathematics11.4%
- Advanced Topics in AlgebraMathematics9.1%
- Algebraic Geometry and Number TheoryMathematics6.8%
- Geometric and Algebraic TopologyMathematics4.6%
- Holomorphic and Operator TheoryMathematics4.6%
- Polynomial and algebraic computationComputer Science4.6%
- Geometry and complex manifoldsMathematics4.6%
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 3
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 3 |
| Minor | Mathematics | Zone 3 |
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
- 0.44LetPub ·
- CiteScore 2026-06
- 0.8LetPub ·
- SJR 2026-06
- 0.43LetPub ·
- SNIP 2026-06
- 0.9LetPub ·
- h-index
- 25LetPub ·
- h-index
- 3OpenAlex ·
- i10-index
- 1OpenAlex ·
- 2-year mean citedness
- 0OpenAlex ·
- Self-citation rate
- 0%LetPub ·
- Share of gold OA articles
- 0%LetPub ·
Volume
- Articles per year
- 31LetPub ·
Articles by year OpenAlex count · 16 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2021 | 3 | 0 | 0 |
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
- Osaka University
- Country or region
- JAPAN
- Language
- English
- Frequency
- Quarterly
- ISSN
- 0030-6126
- Official links
- Journal homepage ↗OpenAlex
FAQ
Frequently asked questions about Osaka Journal of Mathematics
What CAS zone is Osaka Journal of Mathematics in?
In the 2025 upgraded edition of the CAS Journal Ranking, Osaka 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 3 of Mathematics. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Osaka Journal of Mathematics?
The latest impact factor listed by LetPub is 0.44; CiteScore 0.8, h-index 3.
How long does peer review take at Osaka 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 Osaka Journal of Mathematics?
According to LetPub and DOAJ records, Osaka Journal of Mathematics is indexed in SCIE and Scopus.
Is Osaka Journal of Mathematics open access, and what is the APC?
Osaka 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: .