Journal profile · Mathematics-Mathematics (miscellaneous)
Examples and Counterexamples
ISSN 2666-657X · Elsevier · Netherlands
Examples and Counterexamples: CAS Zone 4 · Mathematics (2026 Xinrui edition); impact factor 0.6 (journal website); fully open access; APC about USD 570; review about 238 days (submission to acceptance, publisher); 41 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
Examples and Counterexamples is published by Elsevier and is classed under Mathematics in the CAS Journal Ranking. By OpenAlex counts of its recent articles, its largest topics are graph theory and CDMA systems, Fractional Differential Equations Solutions and Graph theory and applications, together about 24.7% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
Examples and Counterexamples is an open access, peer-reviewed journal which publishes short, precise articles that describe mathematical examples and counterexamples with application to all scientific, technological, and medical disciplines.The journal promises to make mathematical examples and counterexamples: Accessible - we will make your mathematical examples and counterexamples immediately and freely accessibleDiscoverable - we will make your mathematical examples and counterexamples easy to find and downloadCitable - receive recognition for the work that you done to produce a mathematical example or counterexample with a peer-reviewed article with a distinct DOIComprehensible - we will help you write an article which is easy to digestReviewed - your article will be reviewed by mathematiciansReproducible - share your mathematical examples and counterexamples so that your peers can replicate and reproduce themExamples and Counterexamples publishes concise papers of a maximum of six pages in length. All results must be presented in the form of mathematical examples or counterexamples.Your next step:If this journal is a good fit for your mathematical example or counterexample, you can find out more via the Guide for Authors and submit.
From the journal's Aims & Scope
Research area (LetPub): Mathematics-Mathematics (miscellaneous)
Editorial board by country: none in mainland China; most named Germany 14, France 4, Austria 3, United States 2, Italy 2 (35 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- graph theory and CDMA systemsEngineering9%
- Fractional Differential Equations SolutionsMathematics8.6%
- Graph theory and applicationsMathematics7.1%
- Nonlinear Differential Equations AnalysisMathematics6.7%
- Coding theory and cryptographyComputer Science5.9%
- Finite Group Theory ResearchMathematics5.1%
- Graph Labeling and Dimension ProblemsComputer Science5.1%
- Nonlinear Waves and SolitonsPhysics and Astronomy4.7%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Not covered
Not covered by this edition.
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)Not covered
Not covered by this edition.
Database indexing
ESCIScopusDOAJLetPub
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 (publisher)
- 0.6Publisher website ·
- CiteScore 2026-06
- 1.3LetPub ·
- CiteScore (publisher)
- 1.3Publisher website ·
- SJR 2026-06
- 0.27LetPub ·
- SNIP 2026-06
- 0.95LetPub ·
- h-index
- 9OpenAlex ·
- i10-index
- 9OpenAlex ·
- 2-year mean citedness
- 1.2OpenAlex ·
- Self-citation rate
- 16.7%LetPub ·
- Share of gold OA articles
- 100%LetPub ·
Volume
- Articles per year
- 39LetPub ·
Articles by year OpenAlex count · 191 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 20 | 20 | 0 |
| 2025 | 41 | 41 | 43 |
| 2024 | 40 | 40 | 78 |
| 2023 | 33 | 33 | 69 |
| 2022 | 32 | 32 | 101 |
| 2021 | 23 | 23 | 59 |
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
Publisher-reported review time from the journal's website
238 dayssubmission to acceptance · community reports about 20 weeks
The publisher's own definition applies; dates from this journal's articles in the last 24 months are not available yet, so the publisher's figure is used.
Figures by source
- Average review time (community reports)
- about 20 weeksLetPub ·
- Submission to first decision
- 27 daysPublisher website ·
- First decision after review
- 132 daysPublisher website ·
- Submission to acceptance
- 238 daysPublisher website ·
- Acceptance to publication
- 9 daysPublisher website ·
- Submission to publication (journal-reported)
- about 37 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 570 | Yes | CC BY, CC BY-NC, CC BY-NC-ND | |
| OpenAlex | USD 420 / EUR 390 / GBP 340 / JPY 52,090 | — | — | |
| LetPub | USD 330 | Yes | — | |
| Publisher website | USD 710 | — | — |
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 prepare6 items from the author guidelines
- Abstract
- ≤ 250 words
- Keywords
- 1–7
- Reference style
- Numbered, in order of citation
- Templates
- LaTeX
- Highlights
- Optional
- Graphical abstract
- Optional
Policy excerpts from the journal's websiteAI use, Authorship, Conflicts of interest, Publication ethics, License & copyright, Open access, Peer review, Preprints
- AI use Declaration of generative AI use
Authors must declare the use of generative AI tools in the manuscript preparation process upon submission of the paper.Generative AI and AI-assisted technologies (“AI tools”) have been rapidly adopted in research and scholarly publishing, offering significant benefits while requiring clear standards for responsible and transparent use.Authors preparing a manuscript for this journal may use AI tool…
Source ↗Publisher website ·- Authorship Group authorship
Authorship criteria Model summary
Group authorship refers to the attribution of an article to a defined and named group of authors whose members have contributed to the work. Examples include research consortia, clinical trial groups, collaborative networks, task forces or working groups, expert panels or consensus groups, and participatory research groups. Group authorship must be declared on the title page at submission. When av…
Source ↗Publisher website ·- Conflicts of interest Declaration of competing interests
All authors must disclose any financial and personal relationships with other people or organizations that could inappropriately influence or bias their work. Examples of potential competing interests include:EmploymentConsultanciesStock ownershipHonorariaPaid expert testimonyPatent applications or registrationsGrants or any other fundingAffiliation with the journal as an Editor or Advisory Board …
Source ↗Publisher website ·- Publication ethics
Publishing ethics Model summary
Authors must follow ethical guidelines stated in Elsevier's Publishing Ethics Policy.
Source ↗Publisher website ·- License & copyright License options
Authors will be offered open access user license options which will determine how you, and third parties, can reuse your open access article. We advise that you review these options and any funding body license requirements before selecting a license option.
Source ↗Publisher website ·- Open access Open access
We refer you to our open access information page to learn about open access options for this journal.
Source ↗Publisher website ·- Peer review Peer review
Single anonymized review process Model summary
This journal follows a single anonymized review process. Your submission will initially be assessed by our editors. If your submission is deemed suitable, it will typically be sent to be reviewed by a minimum of two reviewers for an independent expert assessment of the scientific quality. The decision as to whether your article is accepted or rejected for publication will be made by our editors.Re…
Source ↗Publisher website ·- Preprints Preprints
Preprint sharing Model summary
Preprint sharingAuthors may share preprints in line with Elsevier's article sharing policy. Sharing preprints, such as on a preprint server, will not count as prior publication.We advise you to read our policy on multiple, redundant or concurrent publication. In support of Open Science, this journal offers its authors a free preprint posting service on SSRN, Elsevier’s preprint and early research …
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
- Elsevier
- Country or region
- Netherlands
- Language
- English
- ISSN
- 2666-657X
- Official links
- Journal homepage ↗DOAJ
- Submission system ↗Publisher website
- Author guidelines ↗DOAJ
- Aims & Scope ↗DOAJ
- Special issues ↗Publisher website
- APC information ↗DOAJ
- Fee waivers ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗DOAJ
- Editorial board ↗DOAJ
- Plagiarism policy ↗DOAJ
FAQ
Frequently asked questions about Examples and Counterexamples
What CAS zone is Examples and Counterexamples in?
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 Examples and Counterexamples?
The journal's website gives an impact factor of 0.6; this is the journal's own figure, as LetPub lists none for it; CiteScore 1.3, h-index 9.
How long does peer review take at Examples and Counterexamples?
The publisher reports about 238 days (submission to acceptance); authors report an average review time of about 20 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.
What are the manuscript requirements of Examples and Counterexamples?
According to the journal's author guidelines: Abstract: ≤ 250 words; Keywords: 1–7; Reference style: Numbered, in order of citation; Templates: LaTeX; Highlights: Optional; Graphical abstract: Optional. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.
Where are the editorial board members of Examples and Counterexamples based?
Of the 35 board members whose country the journal's board page names, none are in mainland China; the countries named most often are Germany (14), France (4) and Austria (3). Counted from the institutions listed on the board page; for reference only.
Which databases index Examples and Counterexamples?
According to LetPub and DOAJ records, Examples and Counterexamples is indexed in ESCI, Scopus and DOAJ.
Is Examples and Counterexamples open access, and what is the APC?
Examples and Counterexamples is a fully open-access journal. APC about USD 570.
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: .