Journal profile · Mathematics
Commentarii Mathematici Helvetici
ISSN 0010-2571 · eISSN 1420-8946 · European Mathematical Society Publishing House · SWITZERLAND · Quarterly
Commentarii Mathematici Helvetici: CAS Zone 1 · Mathematics (2025 upgraded edition, Top journal); impact factor 1.93; diamond open access (no APC); no APC; review over 12 weeks (community reports); community-reported acceptance: easy; 26 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Commentarii Mathematici Helvetici is published by European Mathematical Society Publishing House and is in Zone 1 of Mathematics in the CAS Journal Ranking (2025 upgraded edition, Top journal). By OpenAlex counts of its recent articles, its largest topics are Geometric and Algebraic Topology, Homotopy and Cohomology in Algebraic Topology and Algebraic Geometry and Number Theory, together about 28.9% of its articles. Its main subfields are Geometry and Topology and Mathematical Physics. (generated from OpenAlex topic counts and CAS ranking data)
Commentarii Mathematici Helvetici (CMH) was established on the occasion of a meeting of the Swiss Mathematical Society in May 1928. The first volume was published in 1929. The journal soon gained international reputation and is one of the world's leading mathematical periodicals. Commentarii Mathematici Helvetici is covered in: Mathematical Reviews (MR), Current Mathematical Publications (CMP), MathSciNet, Zentralblatt für Mathematik, Zentralblatt MATH Database, Science Citation Index (SCI), Science Citation Index Expanded (SCIE), CompuMath Citation Index (CMCI), Current Contents/Physical, Chemical & Earth Sciences (CC/PC&ES), ISI Alerting Services, Journal Citation Reports/Science Edition, Web of Science.
Source: LetPub
Research area (LetPub): Mathematics
Editor-in-chief Eva Bayer-FluckigerPublisher website
Main research topics OpenAlex counts of recent articles; shares are approximate
- Geometric and Algebraic TopologyMathematics11.3%
- Homotopy and Cohomology in Algebraic TopologyMathematics9.3%
- Algebraic Geometry and Number TheoryMathematics8.3%
- Geometric Analysis and Curvature FlowsMathematics8%
- Advanced Algebra and GeometryMathematics6.5%
- Advanced Topics in AlgebraMathematics6%
- Mathematics and ApplicationsMathematics5.7%
- Mathematical Dynamics and FractalsMathematics5%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Mathematics Zone 1
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 1 |
| Minor | Mathematics | Zone 1 |
Top journal: yesReview journal: no
CAS Xinrui Journal Ranking (March 2026)Mathematics Zone 1
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 1 |
| Minor | Mathematics | Zone 1 |
Top journal: yesReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Mathematics Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 3 |
| Minor | Mathematics | Zone 3 |
Top journal: noReview journal: no
Database indexing
SCIEScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
Web of ScienceMathSciNetzbMATHPublisher website
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
- 1.93LetPub ·
- CiteScore 2026-06
- 2.5LetPub ·
- SJR 2026-06
- 1.82LetPub ·
- SNIP 2026-06
- 1.49LetPub ·
- h-index
- 36LetPub ·
- h-index
- 121OpenAlex ·
- i10-index
- 1,505OpenAlex ·
- 2-year mean citedness
- 1.88OpenAlex ·
- Self-citation rate
- 0%LetPub ·
- Share of gold OA articles
- 100%LetPub ·
Volume
- Articles per year
- 33LetPub ·
Articles by year OpenAlex count · 2,896 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 18 | 18 | 50 |
| 2025 | 26 | 26 | 15 |
| 2024 | 22 | 22 | 59 |
| 2023 | 18 | 18 | 83 |
| 2022 | 24 | 24 | 131 |
| 2021 | 17 | 13 | 132 |
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 ·
- Submission to publication (journal-reported)
- about 79 weeksDOAJ ·
- Peer review
- Single anonymous peer reviewDOAJ
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
Diamond open access (no APC)DOAJ
Every article is open access and authors pay no article processing charge.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | No APC | No | CC BY | |
| Publisher website | No APC | — | — |
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 websitePublication ethics, License & copyright, Open access, Peer review, Self-archiving
- Publication ethics
Originality: submission implies unpublished and not under consideration elsewhere. Model summary
Submission of a manuscript implies that the work described has not been published before and is not under consideration for publication elsewhere.
Source ↗Publisher website ·- License & copyright
Open access articles published under CC-BY 4.0. Model summary
Open access articles are published under the CC-BY 4.0 license.
Source ↗Publisher website ·- Open access Open Access
The Commentarii Mathematici Helvetici is a Subscribe to Open (S2O) journal, which means that articles may be published open access. There are no author fees or article processing charges associated with this model of open access. Open access articles are published under the CC-BY 4.0 license. The articles that are not published with proper open access, are granted the so-called green open access, …
Source ↗Publisher website ·- Peer review Peer Review
Single blind peer review by external reviewers selected by the editorial board. Model summary
The Commentarii Mathematici Helvetici operate a single blind peer review process conducted by external reviewers selected by the editorial board.
Source ↗Publisher website ·- Self-archiving
Green open access: authors' final version may be posted in repositories without embargo; papers become freely accessible after five years. Model summary
The articles that are not published with proper open access, are granted the so-called green open access, meaning that the authors’ final version, not edited by the publisher yet, can be posted in institutional or other repositories, as well as on the authors’ institutional web pages without any embargo. These papers become freely accessible – but remain copyright protected – after five years.
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
- European Mathematical Society Publishing House
- Country or region
- SWITZERLAND
- Language
- Multi-Language
- Frequency
- Quarterly
- ISSN
- 0010-2571
- Electronic ISSN
- 1420-8946
- Official links
FAQ
Frequently asked questions about Commentarii Mathematici Helvetici
What CAS zone is Commentarii Mathematici Helvetici in?
In the 2025 upgraded edition of the CAS Journal Ranking, Commentarii Mathematici Helvetici is in Zone 1 of Mathematics, and in Zone 1 of the minor category Mathematics; it is a Top journal. In the 2026 Xinrui edition it is in Zone 1 of Mathematics. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Commentarii Mathematici Helvetici?
The latest impact factor listed by LetPub is 1.93; CiteScore 2.5, h-index 121.
How long does peer review take at Commentarii Mathematici Helvetici?
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 Commentarii Mathematici Helvetici?
According to LetPub and DOAJ records, Commentarii Mathematici Helvetici is indexed in SCIE, Scopus and DOAJ. The journal's website also lists Web of Science, MathSciNet and zbMATH; that list has not been checked against each database.
Is Commentarii Mathematici Helvetici open access, and what is the APC?
Commentarii Mathematici Helvetici is a diamond open-access journal (no APC). It charges no article processing charge.
Sources and updates
The facts on this page come from LetPub, OpenAlex, DOAJ, 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: .