Journal profile · Mathematics-Statistics and Probability
Forum of Mathematics Pi
ISSN 2050-5086 · Cambridge University Press · Italy
Forum of Mathematics Pi: CAS Zone 1 · Mathematics (2025 upgraded edition, Top journal); impact factor 2.62; fully open access; APC about USD 2,740; review about 19 weeks (community reports); 25 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Forum of Mathematics Pi is published by Cambridge University Press 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 Algebraic Geometry and Number Theory, Advanced Algebra and Geometry and Algebraic structures and combinatorial models, together about 36.9% of its articles. Its main subfields are Geometry and Topology and Mathematical Physics. (generated from OpenAlex topic counts and CAS ranking data)
Forum of Mathematics, Pi is the open access alternative to the leading generalist mathematics journals and are of real interest to a broad cross-section of all mathematicians. Papers published are of the highest quality. Forum of Mathematics, Pi and Forum of Mathematics, Sigma are an exciting new development in journal publishing. Together they offer fully open access publication combined with peer-review standards set by an international editorial board of the highest calibre, and all backed by Cambridge University Press and our commitment to quality. Strong research papers from all parts of pure mathematics and related areas are welcomed. All published papers are free online to readers in perpetuity.
From the journal's Aims & Scope
Research area (LetPub): Mathematics-Statistics and Probability
Main research topics OpenAlex counts of recent articles; shares are approximate
- Algebraic Geometry and Number TheoryMathematics16.7%
- Advanced Algebra and GeometryMathematics12.8%
- Algebraic structures and combinatorial modelsMathematics7.3%
- Homotopy and Cohomology in Algebraic TopologyMathematics6.7%
- Geometry and complex manifoldsMathematics4.8%
- Advanced Combinatorial MathematicsMathematics4.4%
- Limits and Structures in Graph TheoryMathematics4.4%
- Geometric and Algebraic TopologyMathematics3.9%
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 |
| Minor | Mathematics, Applied | 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, Applied | Zone 1 |
| Minor | Mathematics | Zone 1 |
Top journal: yesReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Mathematics Zone 1
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 1 |
| Minor | Mathematics | Zone 1 |
| Minor | Mathematics, Applied | Zone 1 |
Top journal: yesReview journal: no
Database indexing
SCIEScopusDOAJLetPub
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
- 2.62LetPub ·
- Impact factor (publisher) 2025
- 23Publisher website ·
- CiteScore 2026-06
- 5.8LetPub ·
- SJR 2026-06
- 3.79LetPub ·
- SNIP 2026-06
- 3.27LetPub ·
- h-index
- 30OpenAlex ·
- i10-index
- 86OpenAlex ·
- 2-year mean citedness
- 3.13OpenAlex ·
- Self-citation rate
- 0%LetPub ·
- Share of gold OA articles
- 100%LetPub ·
Volume
- Articles per year
- 24LetPub ·
Articles by year OpenAlex count · 196 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 21 | 21 | 26 |
| 2025 | 25 | 25 | 77 |
| 2024 | 26 | 26 | 122 |
| 2023 | 32 | 32 | 287 |
| 2022 | 27 | 27 | 581 |
| 2021 | 13 | 13 | 234 |
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)
- about 19 weeksLetPub ·
- Submission to publication (journal-reported)
- about 69 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
Fully open accessDOAJ
Every article is open access; authors usually pay an article processing charge (APC).
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | USD 2,740 / GBP 1,960 | Yes | CC BY, CC BY-SA, CC BY-ND, CC BY-NC, CC BY-NC-SA, CC BY-NC-ND | |
| OpenAlex | USD 2,650 / GBP 1,850 | — | — |
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)
Article types accepted1
- research articleWe accept the following types of articles: Research ArticleLength not stated
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
- Cambridge University Press
- Country or region
- Italy
- Language
- English
- ISSN
- 2050-5086
- Official links
FAQ
Frequently asked questions about Forum of Mathematics Pi
What CAS zone is Forum of Mathematics Pi in?
In the 2025 upgraded edition of the CAS Journal Ranking, Forum of Mathematics Pi is in Zone 1 of Mathematics, and in Zone 1 of the minor category Mathematics / Mathematics, Applied; 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 Forum of Mathematics Pi?
The latest impact factor listed by LetPub is 2.62; CiteScore 5.8, h-index 30.
How long does peer review take at Forum of Mathematics Pi?
Authors report an average review time of about 19 weeks. 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 Forum of Mathematics Pi?
According to LetPub and DOAJ records, Forum of Mathematics Pi is indexed in SCIE, Scopus and DOAJ.
Is Forum of Mathematics Pi open access, and what is the APC?
Forum of Mathematics Pi is a fully open-access journal. APC about USD 2,740.
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: .