Journal profile · Mathematics-Mathematics (all)
Khayyam Journal of Mathematics
ISSN 2423-4788 · Tusi Mathematical Research Group (TMRG) · Iran, Islamic Republic of
Khayyam Journal of Mathematics: diamond open access (no APC); no APC; review about 18 weeks (community reports); 0 articles in 2025; indexed in Scopus.
Scope
Aims, scope and focus
Khayyam Journal of Mathematics is published by Tusi Mathematical Research Group (TMRG). By OpenAlex counts of its recent articles, its largest topics are Approximation Theory and Sequence Spaces, Mathematical Inequalities and Applications and Advanced Banach Space Theory, together about 30.5% of its articles. Its main subfields are Applied Mathematics. (generated from OpenAlex topic counts and CAS ranking data)
Research area (LetPub): Mathematics-Mathematics (all)
Main research topics OpenAlex counts of recent articles; shares are approximate
- Approximation Theory and Sequence SpacesMathematics12.9%
- Mathematical Inequalities and ApplicationsMathematics10.2%
- Advanced Banach Space TheoryMathematics7.4%
- Nonlinear Differential Equations AnalysisMathematics5.9%
- Holomorphic and Operator TheoryMathematics4.7%
- Mathematical functions and polynomialsMathematics4.7%
- Fixed Point Theorems AnalysisMathematics4.3%
- Analytic and geometric function theoryMathematics4.3%
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)Not covered
Not covered by this edition.
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
CiteScore quartiles (Scopus, June 2026 release)
| Subject | Quartile | Rank | Percentile |
|---|---|---|---|
| General Mathematics | Q3 | 296/414 | 28th |
Scopus ranks journals by CiteScore within each subject: the 75th percentile and above is Q1, then a quartile every 25 points. A different system from the CAS zones.LetPub
Database indexing
ScopusDOAJLetPub
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
- CiteScore 2026-06
- 0.9LetPub ·
- SJR 2026-06
- 0.18LetPub ·
- SNIP 2026-06
- 0.58LetPub ·
- h-index
- 7OpenAlex ·
- i10-index
- 6OpenAlex ·
- 2-year mean citedness
- 0OpenAlex ·
- Share of gold OA articles
- 0%LetPub ·
Articles by year OpenAlex count · 107 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 0 | 0 | 2 |
| 2025 | 0 | 0 | 12 |
| 2024 | 0 | 0 | 23 |
| 2023 | 0 | 0 | 29 |
| 2022 | 0 | 0 | 40 |
| 2021 | 24 | 24 | 48 |
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 18 weeksLetPub ·
- Submission to publication (journal-reported)
- about 18 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-NC |
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Tusi Mathematical Research Group (TMRG)
- Country or region
- Iran, Islamic Republic of
- Language
- English
- ISSN
- 2423-4788
- Official links
FAQ
Frequently asked questions about Khayyam Journal of Mathematics
How long does peer review take at Khayyam Journal of Mathematics?
Authors report an average review time of about 18 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 Khayyam Journal of Mathematics?
According to LetPub and DOAJ records, Khayyam Journal of Mathematics is indexed in Scopus and DOAJ.
Is Khayyam Journal of Mathematics open access, and what is the APC?
Khayyam Journal of Mathematics 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; 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: .