Journal profile · Mathematics

Forum Mathematicum

ISSN 0933-7741 · eISSN 1435-5337 · Walter de Gruyter GmbH · GERMANY · Bimonthly

Forum Mathematicum: CAS Zone 2 · Mathematics (2025 upgraded edition); impact factor 0.94; hybrid open access; APC about USD 2,712; review 6–12 weeks (community reports); community-reported acceptance: easy; 82 articles in 2025; indexed in SCIE and Scopus.

Impact factor0.94Latest value listed by LetPub
CAS zoneZone 2 · Mathematics2025 upgraded edition, major category · 2026 Xinrui edition Zone 2 · Mathematics
Review time6–12 weeksCommunity average
APCUSD 2,712Hybrid journal: charged only for open-access articles
AcceptanceEasyCommunity average
Articles per year822025 · OpenAlex count

Scope

Aims, scope and focus

Forum Mathematicum is published by Walter de Gruyter GmbH and is in Zone 2 of Mathematics in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Advanced Algebra and Geometry, Advanced Topics in Algebra and Algebraic Geometry and Number Theory, together about 24.5% of its articles. Its main subfields are Algebra and Number Theory and Geometry and Topology. (generated from OpenAlex topic counts and CAS ranking data)

About this journal Objective Forum Mathematicum (FORUM) is a general mathematics journal, which is devoted to the publication of high-quality research articles in all fields of pure and applied mathematics. Article formatsOriginal Articles > Information on submission process Your Benefits Your benefits: Top journal in the field Wide range of topics High quality peer-review Ahead of print publication Complete Archive AccessAs of 2026, all De Gruyter journal subscriptions include access to every issue, from Volume 1, Issue 1 through to today, meaning subscribers can access even more research at no additional cost.

From the journal's Aims & Scope

Research area (LetPub): Mathematics

Editor-in-chief Guozhen LuPublisher website

Main research topics OpenAlex counts of recent articles; shares are approximate

  1. Advanced Algebra and GeometryMathematics9%
  2. Advanced Topics in AlgebraMathematics8.1%
  3. Algebraic Geometry and Number TheoryMathematics7.4%
  4. Algebraic structures and combinatorial modelsMathematics7.4%
  5. Homotopy and Cohomology in Algebraic TopologyMathematics7.3%
  6. Finite Group Theory ResearchMathematics5.5%
  7. Geometric and Algebraic TopologyMathematics4.9%
  8. Analytic Number Theory ResearchMathematics4.8%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Mathematics Zone 2
LevelCategoryZone
MajorMathematicsZone 2
MinorMathematicsZone 2
MinorMathematics, AppliedZone 2

Top journal: noReview journal: no

CAS Xinrui Journal Ranking (March 2026)Mathematics Zone 2
LevelCategoryZone
MajorMathematicsZone 2
MinorMathematics, AppliedZone 2
MinorMathematicsZone 2

Top journal: noReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Mathematics Zone 3
LevelCategoryZone
MajorMathematicsZone 3
MinorMathematicsZone 3
MinorMathematics, AppliedZone 3

Top journal: noReview journal: no

Database indexing

SCIEScopusLetPub

International journal early-warning lists: not listed in any editionLetPub

Indexing the journal's website claims

MathSciNetCurrent ContentsPublisher website

Other: EBSCO, ProQuest, Baidu, Naver, OCLC

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
0.94LetPub ·
Impact factor (publisher)
1Publisher website ·
5-year impact factor (publisher)
0.9Publisher website ·
CiteScore 2026-06
1.9LetPub ·
CiteScore (publisher)
1.9Publisher website ·
SJR 2026-06
0.85LetPub ·
SNIP 2026-06
1.17LetPub ·
h-index
30LetPub ·
h-index
57OpenAlex ·
i10-index
663OpenAlex ·
2-year mean citedness
0.99OpenAlex ·
Self-citation rate
10%LetPub ·
Share of gold OA articles
8.57%LetPub ·

Volume

Articles per year
77LetPub ·

Articles by year OpenAlex count · 2,428 in total · the current year is incomplete

YearArticlesOpen accessCitations
202639232
2025821633
202412343207
202312240278
20228923243
20218848417

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

Hybrid open accessLetPub

A subscription journal in which authors can pay to publish their article open access.

SourceAPCFee waiverLicenseObserved
OpenAlexEUR 2,400——

A hybrid journal charges the APC only when the author chooses open access; publishing under the subscription model is usually free.

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 websiteOpen access
Open access Hybrid Open Access

Please note that authors from institutions with which we have a transformative agreement can publish open access without paying an article processing charge (APC). More information on the eligible institutions and articles can be found under the "Funding and Support" tab here.

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
Walter de Gruyter GmbH
Country or region
GERMANY
Language
Multi-Language
Frequency
Bimonthly
ISSN
0933-7741
Electronic ISSN
1435-5337
Official links

FAQ

Frequently asked questions about Forum Mathematicum

What CAS zone is Forum Mathematicum in?

In the 2025 upgraded edition of the CAS Journal Ranking, Forum Mathematicum is in Zone 2 of Mathematics, and in Zone 2 of the minor category Mathematics / Mathematics, Applied. 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 Forum Mathematicum?

The latest impact factor listed by LetPub is 0.94; CiteScore 1.9, h-index 57.

How long does peer review take at Forum Mathematicum?

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.

Which databases index Forum Mathematicum?

According to LetPub and DOAJ records, Forum Mathematicum is indexed in SCIE and Scopus. The journal's website also lists MathSciNet and Current Contents; that list has not been checked against each database.

Is Forum Mathematicum open access, and what is the APC?

Forum Mathematicum is a hybrid journal. For open-access publication: APC about USD 2,712.

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 2026-08-24). Last updated: .