Journal profile · Mathematics
ELECTRONIC JOURNAL OF COMBINATORICS
ISSN 1077-8926 · Electronic Journal of Combinatorics · UNITED STATES · Monthly · Founded 1994
ELECTRONIC JOURNAL OF COMBINATORICS: CAS Zone 3 · Mathematics (2025 upgraded edition); impact factor 0.79; diamond open access (no APC); no APC; review 3–6 weeks (community reports); community-reported acceptance: easy; 237 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
ELECTRONIC JOURNAL OF COMBINATORICS is published by Electronic Journal of Combinatorics 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 Combinatorial Mathematics, Advanced Graph Theory Research and Limits and Structures in Graph Theory, together about 37.8% of its articles. Its main subfields are Discrete Mathematics and Combinatorics and Computational Theory and Mathematics. (generated from OpenAlex topic counts and CAS ranking data)
The Electronic Journal of Combinatorics (E-JC) is a fully-refereed electronic journal with very high standards, publishing papers of substantial content and interest in all branches of discrete mathematics, including combinatorics, graph theory, and algorithms for combinatorial problems. We also publish high quality survey articles, including surveys that are periodically updated.
From the journal's Aims & Scope
Research area (LetPub): Mathematics
Editorial board by country: 2 in mainland China (about 2%); most named United States 50, Australia 14, Canada 12, United Kingdom 8, Germany 8 (129 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Advanced Combinatorial MathematicsMathematics13.3%
- Advanced Graph Theory ResearchComputer Science12.9%
- Limits and Structures in Graph TheoryMathematics11.6%
- graph theory and CDMA systemsEngineering8.8%
- Graph theory and applicationsMathematics6%
- Advanced Mathematical IdentitiesMathematics5%
- Graph Labeling and Dimension ProblemsComputer Science4.7%
- Finite Group Theory ResearchMathematics4.4%
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 4 |
| Minor | Mathematics, Applied | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Mathematics Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 4 |
| Minor | Mathematics, Applied | Zone 4 |
| Minor | Mathematics | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Mathematics Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 4 |
| Minor | Mathematics | Zone 4 |
| Minor | Mathematics, Applied | Zone 4 |
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
- 0.79LetPub ·
- CiteScore 2026-06
- 1.3LetPub ·
- SJR 2026-06
- 0.85LetPub ·
- SNIP 2026-06
- 1.09LetPub ·
- h-index
- 39LetPub ·
- h-index
- 76OpenAlex ·
- i10-index
- 1,645OpenAlex ·
- 2-year mean citedness
- 0.73OpenAlex ·
- Self-citation rate
- 11.1%LetPub ·
- Share of gold OA articles
- 99.11%LetPub ·
Volume
- Articles per year
- 237LetPub ·
- Articles per year (publisher)
- 31Publisher website ·
Articles by year OpenAlex count · 5,389 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 217 | 217 | 25 |
| 2025 | 237 | 237 | 170 |
| 2024 | 245 | 245 | 316 |
| 2023 | 197 | 197 | 422 |
| 2022 | 235 | 235 | 2,967 |
| 2021 | 227 | 227 | 797 |
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)
- 3–6 weeksLetPub ·
- Average acceptance (community reports)
- EasyLetPub ·
- Submission to publication
- 180 daysPublisher website ·
- Submission to publication (journal-reported)
- about 24 weeksDOAJ ·
- Peer review
- Double 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 | |
| LetPub | No APC | No | — |
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
- dynamic surveysDynamic Surveys are survey articles that are periodically revised by the authors to keep them up-to-date.Length not stated
Policy excerpts from the journal's websiteAI use, Authorship, Conflicts of interest, License & copyright, Open access, Peer review
- AI use Artificial Intelligence Policy
AI policy: authors must read and adhere to the Artificial Intelligence Policy; editors may use AI for a final check before publication. Model summary
E-JC acknowledges that artificial intelligence can be of assistance in researching and writing mathematics. However, authors remain fully responsible for what is submitted, including checking all proofs and details. If you use AI to assist in finding a proof or an argument, you must check it yourself and provide enough detail in your paper to allow another human to check it. You must also ensure t…
Source ↗Publisher website ·- Authorship
No fees for authors or readers (no APC). Model summary
The journal is completely free for both authors and readers.
Source ↗Publisher website ·- Conflicts of interest Conflict of Interest Policy for Referees
Except in unusual circumstances, the Electronic Journal of Combinatorics does not use referees who have too close a relationship with authors. A potential referee is asked to disclose any of the following relationships to the editor in charge. She/He and one of the authors are related or in a personal relationship. She/He has a joint research grant with one of the authors, or is applying for or is…
Source ↗Publisher website ·- License & copyright Copyright Notice
Copyright remains with the current copyright owner (usually the authors); the journal only requires a license to publish. Model summary
The copyright of published papers remains with the current copyright owner (usually the authors). We only require your agreement that we publish it, as described in the following publication release agreement: This is an agreement between the Electronic Journal of Combinatorics (the "Journal"), and the copyright owner (the "Owner") of a work (the "Work") to be published in the Journal. The Owner w…
Source ↗Publisher website ·- Open access Open Access
E-JC is free for both authors and readers. By making research freely available, E-JC supports a greater global exchange of knowledge. Publication of individual authors' work by the Electronic Journal of Combinatorics does not constitute endorsement of the policies of any government or other agencies.
Source ↗Publisher website ·- Peer review Peer Review Process
All published papers are refereed to the highest standard, to ensure that they are original, correct and substantial. The median time from submission to publication is 6 months. Please do not send queries about the progress of your paper if it has been under consideration for less than 6 months.
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
- Electronic Journal of Combinatorics
- Country or region
- UNITED STATES
- Language
- English
- Frequency
- Monthly
- Founded
- 1994
- ISSN
- 1077-8926
- Latest issue on the website
- Volume 33, Issue 3 (2026)
- Official links
- Journal homepage ↗DOAJ
- Submission system ↗LetPub
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- APC information ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗LetPub
- Editorial board ↗LetPub
FAQ
Frequently asked questions about ELECTRONIC JOURNAL OF COMBINATORICS
What CAS zone is ELECTRONIC JOURNAL OF COMBINATORICS in?
In the 2025 upgraded edition of the CAS Journal Ranking, ELECTRONIC JOURNAL OF COMBINATORICS is in Zone 3 of Mathematics, and in Zone 4 of the minor category Mathematics / Mathematics, Applied. In the 2026 Xinrui edition it is in Zone 4 of Mathematics. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of ELECTRONIC JOURNAL OF COMBINATORICS?
The latest impact factor listed by LetPub is 0.79; CiteScore 1.3, h-index 76.
How long does peer review take at ELECTRONIC JOURNAL OF COMBINATORICS?
Authors report an average review time of 3–6 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.
Where are the editorial board members of ELECTRONIC JOURNAL OF COMBINATORICS based?
Of the 129 board members whose country the journal's board page names, 2 (about 2%) are in mainland China; the countries named most often are United States (50), Australia (14) and Canada (12). Counted from the institutions listed on the board page; for reference only.
Which databases index ELECTRONIC JOURNAL OF COMBINATORICS?
According to LetPub and DOAJ records, ELECTRONIC JOURNAL OF COMBINATORICS 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 ELECTRONIC JOURNAL OF COMBINATORICS open access, and what is the APC?
ELECTRONIC JOURNAL OF COMBINATORICS 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, Publisher website, OpenAlex, DOAJ; 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: .