Journal profile · Mathematics
Kyushu Journal of Mathematics
ISSN 1340-6116 · eISSN 1883-2032 · Kyushu University, Faculty of Science · JAPAN · Semiannual · Founded 1994
Kyushu Journal of Mathematics: CAS Zone 3 · Mathematics (2025 upgraded edition); impact factor 0.16; fully open access; review over 12 weeks (community reports); community-reported acceptance: easy; 19 articles in 2025; indexed in Scopus.
Scope
Aims, scope and focus
Kyushu Journal of Mathematics is published by Kyushu University, Faculty of Science and is in Zone 3 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, Advanced Algebra and Geometry and Geometric Analysis and Curvature Flows, together about 22.8% of its articles. Its main subfields are Algebra and Number Theory. (generated from OpenAlex topic counts and CAS ranking data)
The Kyushu Journal of Mathematics, published by the Faculty of Mathematics at Kyushu University, is devoted to publishing selected research papers in broad areas of mathematics, and has been an open access journal through J-STAGE since 2005. Two issues are published per year, with each issue containing approximately 10 articles and totaling around 200 pages. The journal is indexed and reviewed by major scientific databases such as Web of Science, Scopus, zbMATH Open and MathSciNet.
From the journal's Aims & Scope
Research area (LetPub): Mathematics
Main research topics OpenAlex counts of recent articles; shares are approximate
- Algebraic Geometry and Number TheoryMathematics8.2%
- Advanced Algebra and GeometryMathematics8.2%
- Geometric Analysis and Curvature FlowsMathematics6.4%
- Advanced Topics in AlgebraMathematics6%
- Analytic Number Theory ResearchMathematics5.4%
- Advanced Mathematical IdentitiesMathematics5.4%
- Finite Group Theory ResearchMathematics4.1%
- Algebraic structures and combinatorial modelsMathematics4%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Mathematics Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 3 |
| Minor | Mathematics | Zone 3 |
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
ScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
Web of ScienceMathSciNetzbMATHPublisher website
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
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
- 0.16LetPub ·
- CiteScore 2026-06
- 0.8LetPub ·
- SJR 2026-06
- 0.2LetPub ·
- SNIP 2026-06
- 0.57LetPub ·
- h-index
- 16LetPub ·
- h-index
- 30OpenAlex ·
- i10-index
- 134OpenAlex ·
- 2-year mean citedness
- 0.15OpenAlex ·
- Share of gold OA articles
- 95.83%LetPub ·
Volume
- Articles per year
- 8LetPub ·
Articles by year OpenAlex count · 774 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 17 | 17 | 0 |
| 2025 | 19 | 19 | 0 |
| 2024 | 19 | 19 | 8 |
| 2023 | 24 | 24 | 17 |
| 2022 | 17 | 17 | 54 |
| 2021 | 19 | 19 | 27 |
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
Fully open accessOpenAlex
Every article is open access; authors usually pay an article processing charge (APC).
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.
Submission
Article types and submission policies (journal website)
Policy excerpts from the journal's websiteOpen access
- Open access
Open access via J-STAGE since 2005 Model summary
has been an open access journal through J-STAGE since 2005
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Kyushu University, Faculty of Science
- Country or region
- JAPAN
- Language
- English
- Frequency
- Semiannual
- Founded
- 1994
- ISSN
- 1340-6116
- Electronic ISSN
- 1883-2032
- Official links
- Journal homepage ↗LetPub
FAQ
Frequently asked questions about Kyushu Journal of Mathematics
What CAS zone is Kyushu Journal of Mathematics in?
In the 2025 upgraded edition of the CAS Journal Ranking, Kyushu Journal of Mathematics is in Zone 3 of Mathematics, and in Zone 3 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 Kyushu Journal of Mathematics?
The latest impact factor listed by LetPub is 0.16; CiteScore 0.8, h-index 30.
How long does peer review take at Kyushu 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 Kyushu Journal of Mathematics?
According to LetPub and DOAJ records, Kyushu Journal of Mathematics is indexed in Scopus. The journal's website also lists Web of Science, MathSciNet and zbMATH; that list has not been checked against each database.
Is Kyushu Journal of Mathematics open access, and what is the APC?
Kyushu Journal of Mathematics is a fully open-access journal. Fee information is not available yet; check the journal's website.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website; 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: .