Journal profile · Mathematics, Interdisciplinary Applications
Journal of Systems Science & Complexity
ISSN 1009-6124 · eISSN 1559-7067 · "Academy of Mathematics and Systems Science, Chinese Academy of Sciences" · PEOPLES R CHINA · Quarterly · Founded 2006
Journal of Systems Science & Complexity: CAS Zone 4 · Mathematics (2025 upgraded edition); impact factor 1.92; subscription journal; APC about USD 3,090; review 6–12 weeks (community reports); community-reported acceptance: easy; 137 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Journal of Systems Science & Complexity is published by "Academy of Mathematics and Systems Science, Chinese Academy of Sciences" 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 Stability and Control of Uncertain Systems, Distributed Control Multi-Agent Systems and Adaptive Control of Nonlinear Systems, together about 22.8% of its articles. Its main subfields are Control and Systems Engineering. (generated from OpenAlex topic counts and CAS ranking data)
The Journal of Systems Science and Complexity is dedicated to publishing high quality papers on mathematical theories, methodologies, and applications of systems science and complexity science. It encourages fundamental research into complex systems and complexity and fosters cross-disciplinary approaches to elucidate the common mathematical methods that arise in natural, artificial, and social systems. Topics covered are:complex systems, systems control, operations research for complex systems, economic and financial systems analysis, statistics and data science, computer mathematics, systems security, coding theory and crypto-systems, other topics related to systems science.
From the journal's Aims & Scope
Research area (LetPub): Mathematics, Interdisciplinary Applications
Editor-in-chief Jie ChenPublisher website
Editorial board by country: 84 in mainland China (about 70%); most named Mainland China 84, United States 14, United Kingdom 5, Canada 3, Singapore 3 (120 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Stability and Control of Uncertain SystemsEngineering7.8%
- Distributed Control Multi-Agent SystemsComputer Science7.7%
- Adaptive Control of Nonlinear SystemsEngineering7.3%
- Statistical Methods and InferenceMathematics7.1%
- Neural Networks Stability and SynchronizationComputer Science6.1%
- Stability and Controllability of Differential EquationsEngineering4.9%
- Stochastic processes and financial applicationsEconomics, Econometrics and Finance4.8%
- Polynomial and algebraic computationComputer Science4.8%
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, Interdisciplinary Applications | Zone 3 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Mathematics Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 3 |
| Minor | Mathematics, Interdisciplinary Applications | Zone 3 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Mathematics Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 3 |
| Minor | Mathematics, Interdisciplinary Applications | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
EI CompendexINSPECzbMATHDBLPPublisher website
Other: Google Scholar, EBSCO, ProQuest, Dimensions, CNKI, Baidu, Naver, OCLC, Portico, CLOCKSS
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
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
- 1.92LetPub ·
- Impact factor (publisher) 2025
- 1.9Publisher website ·
- 5-year impact factor (publisher) 2025
- 1.9Publisher website ·
- CiteScore 2026-06
- 4.6LetPub ·
- SJR 2026-06
- 0.59LetPub ·
- SNIP 2026-06
- 0.92LetPub ·
- h-index
- 28LetPub ·
- h-index
- 51OpenAlex ·
- i10-index
- 578OpenAlex ·
- 2-year mean citedness
- 2.39OpenAlex ·
- Self-citation rate
- 21.1%LetPub ·
- Share of gold OA articles
- 0%LetPub ·
Volume
- Articles per year
- 134LetPub ·
- Downloads per year (publisher) 2025
- 75,500Publisher website ·
Articles by year OpenAlex count · 2,108 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 117 | 11 | 34 |
| 2025 | 137 | 4 | 219 |
| 2024 | 155 | 4 | 723 |
| 2023 | 126 | 6 | 775 |
| 2022 | 102 | 6 | 1,389 |
| 2021 | 123 | 10 | 1,614 |
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.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | USD 3,090 / EUR 2,490 / GBP 2,190 | — | — |
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)
What to prepare5 items from the author guidelines
- Abstract
- ≤ 200 words
- Reference style
- Numbered, in order of citation
- Templates
- LaTeX
- First submission
- Free format: the journal's layout is not required
- Cover letter
- Required
Policy excerpts from the journal's websiteOpen access, Peer review
- Open access Open access publishing
To find out more about publishing your work Open Access in Journal of Systems Science and Complexity, including information on fees, funding and licences, visit our Open access publishing page. Back to top
Source ↗Publisher website ·- Peer review
Originality requirement: work must not be published or under submission elsewhere. Model summary
Manuscripts are received for review with the understanding that the same work has not been published and is not being submitted for publication elsewhere.
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
- "Academy of Mathematics and Systems Science, Chinese Academy of Sciences"
- Country or region
- PEOPLES R CHINA
- Language
- English
- Frequency
- Quarterly
- Founded
- 2006
- ISSN
- 1009-6124
- Electronic ISSN
- 1559-7067
- Latest issue on the website
- Volume 39, Issue 4 (August 2026)
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗LetPub
- Author guidelines ↗LetPub
FAQ
Frequently asked questions about Journal of Systems Science & Complexity
What CAS zone is Journal of Systems Science & Complexity in?
In the 2025 upgraded edition of the CAS Journal Ranking, Journal of Systems Science & Complexity is in Zone 4 of Mathematics, and in Zone 3 of the minor category Mathematics, Interdisciplinary Applications. In the 2026 Xinrui edition it is in Zone 3 of Mathematics. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Journal of Systems Science & Complexity?
The latest impact factor listed by LetPub is 1.92; CiteScore 4.6, h-index 51.
How long does peer review take at Journal of Systems Science & Complexity?
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.
What are the manuscript requirements of Journal of Systems Science & Complexity?
According to the journal's author guidelines: Abstract: ≤ 200 words; Reference style: Numbered, in order of citation; Templates: LaTeX; First submission: Free format: the journal's layout is not required; Cover letter: Required. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.
Where are the editorial board members of Journal of Systems Science & Complexity based?
Of the 120 board members whose country the journal's board page names, 84 (about 70%) are in mainland China; the countries named most often are Mainland China (84), United States (14) and United Kingdom (5). Counted from the institutions listed on the board page; for reference only.
Which databases index Journal of Systems Science & Complexity?
According to LetPub and DOAJ records, Journal of Systems Science & Complexity is indexed in SCIE and Scopus. The journal's website also lists EI Compendex, INSPEC, zbMATH and DBLP; that list has not been checked against each database.
Is Journal of Systems Science & Complexity open access, and what is the APC?
Journal of Systems Science & Complexity is a subscription journal. APC about USD 3,090.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website; 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 2026-08-25). Last updated: .