ImpaQ Ecosystem•Clarivate, Scopus & CORE Data
Clarivate WoS 2024 / 2025 Data
IMPAQ
WoS SCIE Q1Scopus Q4SCImago #21,899Hybrid

Kyushu Journal of Mathematics

Abbreviation (ISO):KYUSHU J MATH
•
Identifier (ISSN):1340-6116(Print)/1883-2032(Online)
•
Publisher:Kyushu University, Faculty of Science
Clarivate Impact Factor (IF 2024)
N/A
Journal Impact Factor
IF Trend↓
WoS Quartile
Q1
WoS SCIEJCR Quartile
Clarivate WoS JCR
WoS Categories↓

Impact Factor Trend (2018–2025)

Clarivate IF trend for Kyushu Journal of Mathematics

WoS Q1
00110.4820180.4320190.2720200.3520210.3920220.420230.620240.52025
Annual Impact Factor Metric
Current (2025):0.5
Scopus SJR & RankScopus Q4
0.201
#21,899

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025
H-Index (2025)
23

23 papers with at least that number of citations each

WoS: SCIE / JCRQ1
Self-Citation Rate16.7%
Safe Level (< 15%)Warning Level (> 20%)
Self-citation below 15% indicates strong scholarly independence.
Volume & Open AccessHybrid
19articles/year
78.72% Gold OA•100% Original Research

Aims & Scope

The Kyushu Journal of Mathematics is an academic journal in mathematics, published by the Faculty of Mathematics at Kyushu University since 1941. It publishes selected research papers in pure and applied mathematics. One volume, published each year, consists of two issues, approximately 20 articles and 400 pages in total. More than 500 copies of the journal are distributed through exchange contracts between mathematical journals, and available at many universities, institutes and libraries around the world. The on-line version of the journal is published at "Jstage" (an aggregator for e-journals), where all the articles published by the journal since 1995 are accessible freely through the Internet.

Topics Covered (Recognized by AI)
MathematicsMathematical AnalysisPhysicsGeometryQuantum MechanicsComputer SciencePhilosophyBiology
Primary Research Areas

WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR

No WoS category details available for this journal.

Annual Historical Statistics & Publications

Track annual publication volume, total citations, and Impact Factor evolution

12 year
2025Latest
IF0.5
Articles / Year19
Total Citations0
2024
IF0.6
Articles / Year19
Total Citations8
2023
IF0.4
Articles / Year24
Total Citations14
2022
IF0.388
Articles / Year17
Total Citations52
2021
IF0.347
Articles / Year19
Total Citations25

SCImago & Scopus Journal Intelligence

Global SCImago ranking, SJR prestige index, Scopus coverage, and societal policy impact

Rank #21,899Scopus Q4SCImago Profile
Scopus Coverage:1994-2025
Scopus Broad Areas:Mathematics
Scopus Citation Rank (SJR)Q4
0.201

Weighted prestige citation metric per document indexed in the Scopus database.

Quartile: Scopus Q4
Citations / Doc (2 years)
0.14

Average citations received per document published in the 2-year window.

2-Year Citation Window
Estimated Publication Fee (APC)
$2,601 USD

Estimated Article Processing Charge for Open Access publication.

Estimated cost / article

Scopus 3-Year Publication & Citation Window

3-Year Citations19
3-Year Documents59
Citable Documents59

Aggregated from Scopus database across the 3-year SJR evaluation window.

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)0

Citations in government and international policy documents

Female Author Rate16.7%

Percentage of female authors published in the journal

Real-world societal policy reach and author gender diversity tracked by SCImago.

Scopus Subject Categories

Mathematics (miscellaneous)Q4
Academic Metric Intelligence

Journal Metrics & Citation Visualizations

Total Cites vs Self-Cites

Evaluation of scholarly independence and citation reach

Total citations steady growth
Self-citation: 16.7%

Citations per Document

Citation metric windows across 2, 3, and 4 years

Cites / Doc (4 years)Cites / Doc (3 years)Cites / Doc (2 years)

Chinese Academy of Sciences (CAS) Classification

Major / minor zone classification and CAS Early Warning List history

Major Category (Broad Field):
4区 (Zone 4)Mathematics
Minor Category (Specific Field):
4区MATHEMATICS
CAS Early Warning List History:
Updated annually: 2020 – 2024
2020
Not warned
2021
Not warned
2022
Not warned
2023
Not warned
2024
Not warned

Academic Intelligence Overview & Context

ImpaQ Analysis

Kyushu Journal of Mathematics (abbr: KYUSHU J MATH, ISSN: 1340-6116) is a peer-reviewed international scholarly journal in the field of Mathematics, published by Kyushu University, Faculty of Science in Japan since 1994. The periodical holds tracked under Web of Science (SCIE) in quartile Q1, a Scopus SJR indicator of 0.201 (Q4), an H-index of 23.

The journal enforces rigorous peer evaluation with a publication frequency of Semiannual, an annual output of approximately 19 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with an estimated APC of $2,601 USD. It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.

Publishing & Editorial Information

Detailed publisher, peer-review turnaround, and publication cycle specifications

Open Access Model
Hybrid
Publisher
Kyushu University, Faculty of Science
Publication Language
English
Frequency
Semiannual
Founding Year
1994
Indexing & Databases
SCIEScopusPubMed
Editorial Address
KYUSHU UNIV, FAC MATHEMATICS, KYUSHU JOURNAL OF MATHEMATICS, FACULTY MATHEMATICS, KYUSHU UNIV 33, FUKIOKA, JAPAN, 812-8581

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Record UUID: 65ec580b-8df1-4153-b4df-637d37fa6dd6
Database Updated: 2026-09-28