Journal profile · Mathematics
Journal of Noncommutative Geometry
ISSN 1661-6952 · eISSN 1661-6960 · European Mathematical Society Publishing House · SWITZERLAND · Quarterly
Journal of Noncommutative Geometry: CAS Zone 3 · Mathematics (2025 upgraded edition); impact factor 0.89; diamond open access (no APC); no APC; review over 12 weeks (community reports); community-reported acceptance: easy; 43 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Journal of Noncommutative Geometry is published by European Mathematical Society Publishing House and is in Zone 3 of Mathematics in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Advanced Topics in Algebra, Algebraic structures and combinatorial models and Advanced Operator Algebra Research, together about 56.1% of its articles. Its main subfields are Mathematical Physics and Geometry and Topology. (generated from OpenAlex topic counts and CAS ranking data)
The Journal of Noncommutative Geometry covers the noncommutative world in all its aspects. It is devoted to publication of research articles which represent major advances in the area of noncommutative geometry and its applications to other fields of mathematics and theoretical physics. Topics covered include in particular: Hochschild and cyclic cohomology K-theory and index theory Measure theory and topology of noncommutative spaces, operator algebras Spectral geometry of noncommutative spaces Noncommutative algebraic geometry Hopf algebras and quantum groups Foliations, groupoids, stacks, gerbes Deformations and quantization Noncommutative spaces in number theory and arithmetic geometry Noncommutative geometry in physics: QFT, renormalization, gauge theory, string theory, gravity, mirror symmetry, solid state physics, statistical mechanics
From the journal's Aims & Scope
Research area (LetPub): Mathematics
Editor-in-chief Alain Connes Collège dePublisher website
Main research topics OpenAlex counts of recent articles; shares are approximate
- Advanced Topics in AlgebraMathematics19.7%
- Algebraic structures and combinatorial modelsMathematics18.4%
- Advanced Operator Algebra ResearchMathematics18%
- Homotopy and Cohomology in Algebraic TopologyMathematics13%
- Advanced Algebra and GeometryMathematics5.7%
- Noncommutative and Quantum Gravity TheoriesPhysics and Astronomy3.2%
- Geometric and Algebraic TopologyMathematics2.8%
- Spectral Theory in Mathematical PhysicsMathematics2.3%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Mathematics Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 3 |
| Minor | Mathematics | Zone 3 |
| Minor | Mathematics, Applied | Zone 3 |
| Minor | Physics, Mathematical | Zone 3 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Mathematics Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 2 |
| Minor | Mathematics, Applied | Zone 3 |
| Minor | Mathematics | Zone 3 |
| Minor | Physics, Mathematical | Zone 2 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Mathematics Zone 2
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 2 |
| Minor | Mathematics | Zone 2 |
| Minor | Mathematics, Applied | Zone 2 |
| Minor | Physics, Mathematical | Zone 2 |
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
- 0.89LetPub ·
- CiteScore 2026-06
- 1.7LetPub ·
- SJR 2026-06
- 0.79LetPub ·
- SNIP 2026-06
- 1.16LetPub ·
- h-index
- 18LetPub ·
- h-index
- 34OpenAlex ·
- i10-index
- 201OpenAlex ·
- 2-year mean citedness
- 0.69OpenAlex ·
- Self-citation rate
- 9.1%LetPub ·
- Share of gold OA articles
- 99.33%LetPub ·
Volume
- Articles per year
- 66LetPub ·
Articles by year OpenAlex count · 738 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 54 | 54 | 4 |
| 2025 | 43 | 43 | 26 |
| 2024 | 52 | 52 | 73 |
| 2023 | 73 | 73 | 212 |
| 2022 | 33 | 33 | 162 |
| 2021 | 45 | 45 | 241 |
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 100 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 |
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 prepare1 items from the author guidelines
- Templates
- LaTeX
Article types accepted1
- research articlesIt is devoted to publication of research articles which represent major advances in the area of noncommutative geometry and its applications to other fields of …Length not stated
Policy excerpts from the journal's websitePublication ethics, Open access, Peer review
- Publication ethics
The journal is owned by the European Mathematical Society and it adheres to its Code of Practice and the publisher's Code of Conduct and Publishing Ethics. Model summary
The journal is owned by the European Mathematical Society and it adheres to its Code of Practice and the publisher's Code of Conduct and Publishing Ethics.
Source ↗Publisher website ·- Open access Open Access
The Journal of Noncommutative Geometry 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
The Journal of Noncommutative Geometry operates a single blind peer review process conducted by external reviewers selected by the editorial board.
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
- English
- Frequency
- Quarterly
- ISSN
- 1661-6952
- Electronic ISSN
- 1661-6960
- Official links
FAQ
Frequently asked questions about Journal of Noncommutative Geometry
What CAS zone is Journal of Noncommutative Geometry in?
In the 2025 upgraded edition of the CAS Journal Ranking, Journal of Noncommutative Geometry is in Zone 3 of Mathematics, and in Zone 3 of the minor category Mathematics / Mathematics, Applied / Physics, Mathematical. In the 2026 Xinrui edition it is in Zone 2 of Mathematics. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Journal of Noncommutative Geometry?
The latest impact factor listed by LetPub is 0.89; CiteScore 1.7, h-index 34.
How long does peer review take at Journal of Noncommutative Geometry?
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 Journal of Noncommutative Geometry?
According to LetPub and DOAJ records, Journal of Noncommutative Geometry 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 Journal of Noncommutative Geometry open access, and what is the APC?
Journal of Noncommutative Geometry 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 2026-08-26). Last updated: .