Journal profile · Mathematics
Journal of Nonlinear and Convex Analysis
ISSN 1345-4773 · eISSN 1880-5221 · Yokohama Publishers · JAPAN · Tri-annual · Founded 2000
Journal of Nonlinear and Convex Analysis: CAS Zone 4 · Mathematics (2025 upgraded edition); impact factor 0.43; subscription journal; review 6–12 weeks (community reports); community-reported acceptance: easy; 221 articles a year; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Journal of Nonlinear and Convex Analysis is published by Yokohama Publishers 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 Optimization and Variational Analysis, Advanced Optimization Algorithms Research and Matrix Theory and Algorithms, together about 46% of its articles. Its main subfields are Applied Mathematics. (generated from OpenAlex topic counts and CAS ranking data)
Journal of Nonlinear and Convex Analysis will publish carefully selected mathematical papers in nonlinear analysis and convexity theory. Papers submitted treating various aspectos of nonlinear analysis, fixed point theory, game theory, optimization, analysis of set-valued mappings, partial differential equations, convexity and applications to economics, mathematics of finance and engineering are particularly encouraged.
Source: LetPub
Research area (LetPub): Mathematics
Main research topics OpenAlex counts of recent articles; shares are approximate
- Optimization and Variational AnalysisComputer Science21%
- Advanced Optimization Algorithms ResearchMathematics15%
- Matrix Theory and AlgorithmsComputer Science10%
- Fixed Point Theorems AnalysisMathematics8%
- Mathematical Inequalities and ApplicationsMathematics5%
- Nonlinear Differential Equations AnalysisMathematics4%
- Economic theories and modelsEconomics, Econometrics and Finance4%
- Holomorphic and Operator TheoryMathematics3%
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 |
| Minor | Mathematics, Applied | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Mathematics Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 4 |
| Minor | Mathematics, Applied | 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 |
| Minor | Mathematics, Applied | 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
- 0.43LetPub ·
- CiteScore 2026-06
- 0.9LetPub ·
- SJR 2026-06
- 0.24LetPub ·
- SNIP 2026-06
- 0.33LetPub ·
- h-index
- 18LetPub ·
- h-index
- 7OpenAlex ·
- i10-index
- 7OpenAlex ·
- 2-year mean citedness
- 0OpenAlex ·
- Self-citation rate
- 20%LetPub ·
- Share of gold OA articles
- 0.17%LetPub ·
Volume
- Articles per year
- 221LetPub ·
Articles by year OpenAlex count · 50 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 2 | 2 | 0 |
| 2021 | 2 | 0 | 4 |
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)
- 6–12 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.
Submission
Article types and submission policies (journal website)
Policy excerpts from the journal's websiteAuthorship, Peer review
- Authorship
No withdrawal after proof copy received Model summary
If you have received a proof copy of your paper from the publisher, you cannot withdraw the paper at the author's discretion.
Source ↗Publisher website ·- Peer review
Special issue publication rules differ from regular issues Model summary
Please note: The publication rules for JNCA's regular issues do not apply to special issues. For details, please contact the Guest Editor of the special issue.
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
- Yokohama Publishers
- Country or region
- JAPAN
- Language
- English
- Frequency
- Tri-annual
- Founded
- 2000
- ISSN
- 1345-4773
- Electronic ISSN
- 1880-5221
- Official links
- Journal homepage ↗LetPub
- Submission system ↗LetPub
FAQ
Frequently asked questions about Journal of Nonlinear and Convex Analysis
What CAS zone is Journal of Nonlinear and Convex Analysis in?
In the 2025 upgraded edition of the CAS Journal Ranking, Journal of Nonlinear and Convex Analysis is in Zone 4 of Mathematics, and in Zone 4 of the minor category Mathematics / Mathematics, Applied. 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 Journal of Nonlinear and Convex Analysis?
The latest impact factor listed by LetPub is 0.43; CiteScore 0.9, h-index 7.
How long does peer review take at Journal of Nonlinear and Convex Analysis?
Authors report an average review time of 6–12 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 Journal of Nonlinear and Convex Analysis?
According to LetPub and DOAJ records, Journal of Nonlinear and Convex Analysis is indexed in SCIE and Scopus.
Is Journal of Nonlinear and Convex Analysis open access, and what is the APC?
Journal of Nonlinear and Convex Analysis 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: .