Journal profile · OPERATIONS RESEARCH & MANAGEMENT SCIENCE-MATHEMATICS, APPLIED
Pacific Journal of Optimization
ISSN 1348-9151 · eISSN 1349-8169 · YOKOHAMA PUBL · Japan · Tri-annual
Pacific Journal of Optimization: CAS Zone 4 · Mathematics (2025 upgraded edition); impact factor 0.74; subscription journal; review over 12 weeks (community reports); community-reported acceptance: easy; 52 articles in 2025; indexed in SCIE.
Scope
Aims, scope and focus
Pacific Journal of Optimization is published by YOKOHAMA PUBL 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 Advanced Optimization Algorithms Research, Optimization and Variational Analysis and Sparse and Compressive Sensing Techniques, together about 48.6% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
Research area (LetPub): OPERATIONS RESEARCH & MANAGEMENT SCIENCE-MATHEMATICS, APPLIED
Main research topics OpenAlex counts of recent articles; shares are approximate
- Advanced Optimization Algorithms ResearchMathematics21.9%
- Optimization and Variational AnalysisComputer Science18%
- Sparse and Compressive Sensing TechniquesEngineering8.6%
- Matrix Theory and AlgorithmsComputer Science6.1%
- Tensor decomposition and applicationsMathematics6.1%
- Stochastic Gradient Optimization TechniquesComputer Science4%
- Iterative Methods for Nonlinear EquationsMathematics4%
- Optimization and Mathematical ProgrammingEngineering3.2%
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, Applied | Zone 4 |
| Minor | Operations Research & Management Science | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Mathematics Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 4 |
| Minor | Operations Research & Management Science | Zone 4 |
| Minor | Mathematics, Applied | 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, Applied | Zone 4 |
| Minor | Operations Research & Management Science | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIELetPub
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
- 0.74LetPub ·
- h-index
- 8OpenAlex ·
- i10-index
- 6OpenAlex ·
- 2-year mean citedness
- 0.17OpenAlex ·
- Self-citation rate
- 0%LetPub ·
- Share of gold OA articles
- 0%LetPub ·
Volume
- Articles per year
- 41LetPub ·
Articles by year OpenAlex count · 179 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 20 | 0 | 1 |
| 2025 | 52 | 6 | 11 |
| 2024 | 24 | 1 | 4 |
| 2023 | 56 | 27 | 23 |
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
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.
Profile
Publication details and official links
- Publisher
- YOKOHAMA PUBL
- Country or region
- Japan
- Language
- English
- Frequency
- Tri-annual
- ISSN
- 1348-9151
- Electronic ISSN
- 1349-8169
- Latest issue on the website
- Volume 22, Issue 1 (2026)
- Official links
- Journal homepage ↗LetPub
- Submission system ↗LetPub
FAQ
Frequently asked questions about Pacific Journal of Optimization
What CAS zone is Pacific Journal of Optimization in?
In the 2025 upgraded edition of the CAS Journal Ranking, Pacific Journal of Optimization is in Zone 4 of Mathematics, and in Zone 4 of the minor category Mathematics, Applied / Operations Research & Management Science. 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 Pacific Journal of Optimization?
The latest impact factor listed by LetPub is 0.74; h-index 8.
How long does peer review take at Pacific Journal of Optimization?
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 Pacific Journal of Optimization?
According to LetPub and DOAJ records, Pacific Journal of Optimization is indexed in SCIE.
Is Pacific Journal of Optimization open access, and what is the APC?
Pacific Journal of Optimization 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: .