ScopusElsevier Scopus
Status
Active
Coverage
1949–present
Source type
Journal
Open access
No
CiteScore
0.7
SJR · SCImago
0.325
Q3 SJR quartile
H-index
29
Best quartile
Q4 · 16th pctile
| Subject area | Rank | Pctile | Q |
|---|---|---|---|
| Mathematics (all) | 347 / 414 | 16th | Q4 |
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Kodai Mathematical Journal
Kodai Mathematical Journal is Scopus-indexed (Q4, CiteScore 0.7), WoS SCIE. Published by Tokyo Institute of Technology.
Checked against the index lists dated .
ISSN 0386-5991Verify ISSN ↗1881-5472Verify ISSN ↗
Publisher: Tokyo Institute of Technology
Scopus · Q4WoS · SCIE
0.7
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 Kodai Mathematical Journal indexed in Scopus?
Yes — actively indexed in Scopus, coverage 1949–present, best quartile Q4, CiteScore 0.7.
What quartile is Kodai Mathematical Journal in Scopus?
Kodai Mathematical Journal is Q4 in Mathematics (all) (rank 347 of 414), by CiteScore 2025.
What is the impact factor of Kodai Mathematical Journal?
Kodai Mathematical Journal 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 0.7, which places it in quartile Q4 at the 16th percentile of its subject. Its SCImago Journal Rank (SJR, a free Scopus-based metric) is 0.325, quartile Q3, with an H-index of 29.
Who publishes Kodai Mathematical Journal and what is its ISSN?
Kodai Mathematical Journal is published by Tokyo Institute of Technology. Its print ISSN is 0386-5991 and its online ISSN is 1881-5472.
Is Kodai Mathematical Journal in Web of Science?
Yes — indexed in the Science Citation Index Expanded.
Is Kodai Mathematical Journal open access?
No — it is not registered as an open-access journal in DOAJ or Scopus.
How well cited is Kodai Mathematical Journal? — open metrics via OpenAlex
Kodai Mathematical Journal has an h-index of 49 and a 2-year mean of 0.15 citations per paper (OpenAlex). Its Scopus CiteScore is 0.7, quartile Q4. On 2-year citations it ranks #344 of 392 Scopus journals in Mathematics (all).
49
h-index
0.15
2-yr mean citations
531
i10-index
2,538
works indexed
20,125
total citations
2-yr mean citations, among Scopus journals in the same subject
#344 of 392 Bottom 13% Mathematics (all)
Kodai Mathematical Journal published 17 papers in 2025; its busiest recent year was 2018 with 38. 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 Kodai Mathematical Journal? — latest 100 articles, 2021–2026
In its latest 100 research articles (2021–2026), authors are most often from Japan (55.8%), China (21.5%) and Vietnam (3.5%). 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 Kodai Mathematical Journal? — 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 concentration55.8% 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
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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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