ScopusElsevier Scopus
Status
Active
Coverage
1994–present
Source type
Journal
Open access
No
CiteScore
0.8
SJR · SCImago
0.201
Q4 SJR quartile
H-index
23
Best quartile
Q4 · 20th pctile
| Subject area | Rank | Pctile | Q |
|---|---|---|---|
| Mathematics (all) | 329 / 414 | 20th | Q4 |
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Kyushu Journal of Mathematics
Kyushu Journal of Mathematics is Scopus-indexed (Q4, CiteScore 0.8), WoS SCIE. Published by Kyushu University, Faculty of Science.
Checked against the index lists dated .
ISSN 1340-6116Verify ISSN ↗1883-2032Verify ISSN ↗
Publisher: Kyushu University, Faculty of Science
Scopus · Q4WoS · SCIE
0.8
CiteScore 2025
Q4
Best quartile
2
Indexed in
Cost to publish: No APC data — check the publisher
Web of ScienceClarivate (SCIE/SSCI/AHCI/ESCI)
DOAJDirectory of Open Access Journals (live)
Not in DOAJ
Open accessNot registered as fully open access
Not listed in: DOAJ, ABDC, ABS / AJG, FT50, UT Dallas, ONOS (subscription), ONOS (APC covered)
Quick answers
Is Kyushu Journal of Mathematics indexed in Scopus?
Yes — actively indexed in Scopus, coverage 1994–present, best quartile Q4, CiteScore 0.8.
What quartile is Kyushu Journal of Mathematics in Scopus?
Kyushu Journal of Mathematics is Q4 in Mathematics (all) (rank 329 of 414), by CiteScore 2025.
What is the impact factor of Kyushu Journal of Mathematics?
Kyushu Journal of Mathematics is indexed in the Science Citation Index Expanded, so it may have a Journal Impact Factor in Clarivate's Journal Citation Reports. JCR is paid, so check it for the current value. The closest free measure is its Scopus CiteScore 0.8, which places it in quartile Q4 at the 20th percentile of its subject. Its SCImago Journal Rank (SJR, a free Scopus-based metric) is 0.201, quartile Q4, with an H-index of 23.
Who publishes Kyushu Journal of Mathematics and what is its ISSN?
Kyushu Journal of Mathematics is published by Kyushu University, Faculty of Science. Its print ISSN is 1340-6116 and its online ISSN is 1883-2032.
Is Kyushu Journal of Mathematics in Web of Science?
Yes — indexed in the Science Citation Index Expanded.
Is Kyushu Journal of Mathematics open access?
No — it is not registered as an open-access journal in DOAJ or Scopus.
How well cited is Kyushu Journal of Mathematics? — open metrics via OpenAlex
Kyushu Journal of Mathematics has an h-index of 30 and a 2-year mean of 0.15 citations per paper (OpenAlex). Its Scopus CiteScore is 0.8, quartile Q4. On 2-year citations it ranks #344 of 392 Scopus journals in Mathematics (all).
30
h-index
0.15
2-yr mean citations
132
i10-index
774
works indexed
4,883
total citations
2-yr mean citations, among Scopus journals in the same subject
#344 of 392 Bottom 13% Mathematics (all)
Kyushu Journal of Mathematics published 19 papers in 2025; its busiest recent year was 2018 with 26. 2026* is the year so far.
Main topics
h-index, i10-index and 2-year mean citedness are open, licence-clear metrics from OpenAlex — not a proprietary impact factor. The subject rank counts only journals that OpenAlex has a figure for; it is not a Scopus or Clarivate ranking. Updated 2026-10-14.
Who publishes in Kyushu Journal of Mathematics? — latest 98 articles, 2021–2026
In its latest 98 research articles (2021–2026), authors are most often from Japan (70.4%), China (5.1%) and United States (4.1%). More than half of recent authorship comes from one country.
Countries are counted fractionally, so a paper by authors from two countries counts half to each.
Are there integrity warnings for Kyushu Journal of Mathematics? — indicators, not proof of misconduct
Scopus status: Active. No retracted papers are recorded. The Problematic Paper Screener flags none of its papers. These are indicators to check, not findings against the journal.
- Scopus statusActive
- Retracted papers None recorded
- Problematic Paper Screener flags None flagged
- Author concentration70.4% of recent authorship from Japan
Retractions from OpenAlex; flags from the Problematic Paper Screener (Cabanac, Labbé & Magazinov, CC BY), 2026-09-21 export. A flag marks a paper for a closer look; it is not a finding against the journal.
Official sources & links
Community experience: reader comments on this journal
Related journals
8 journals Journal Indexed in
Memoirs of the Faculty of Engineering, Kyushu University Not in these indexes Memoirs of the Graduate School of Engineering, Kyushu University Not in these indexes Science Reports of the Kyushu University, Department of Earth and Planetary Sciences Not in these indexes Biotronics Not in these indexes Journal of the Faculty of Agriculture, Kyushu University WoS SCIE Lecture Notes Series, Institute for Mathematical Sciences Scopus Q2 Lithuanian Mathematical Journal Scopus Q3 WoS SCIE Lobachevskii Journal of Mathematics Scopus Q2 WoS ESCI
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Index data is curated from public sources (Scopus, Web of Science, ABDC, FT50, UT Dallas, DOAJ). CiteScore and quartiles reflect the latest available Scopus release. Always verify a journal's current status on its official source before submitting.
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