Journal profile · MATHEMATICS
Electronic Research Archive
ISSN 2688-1594 · AMER INST MATHEMATICAL SCIENCES-AIMS · UNITED STATES
Electronic Research Archive: CAS Zone 4 · Mathematics (2025 upgraded edition); impact factor 1.21; fully open access; APC about USD 1,000; review about 10 weeks (community reports); 358 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Electronic Research Archive is published by AMER INST MATHEMATICAL SCIENCES-AIMS and is in Zone 4 of Mathematics in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Mathematical and Theoretical Epidemiology and Ecology Models, Nonlinear Partial Differential Equations and Fractional Differential Equations Solutions, together about 23.6% of its articles. Its main subfields are Applied Mathematics. (generated from OpenAlex topic counts and CAS ranking data)
Research area (LetPub): MATHEMATICS
Main research topics OpenAlex counts of recent articles; shares are approximate
- Mathematical and Theoretical Epidemiology and Ecology ModelsMedicine8.6%
- Nonlinear Partial Differential EquationsMathematics7.9%
- Fractional Differential Equations SolutionsMathematics7.2%
- Advanced Mathematical Modeling in EngineeringComputer Science6.8%
- Nonlinear Differential Equations AnalysisMathematics6.4%
- Advanced Mathematical Physics ProblemsMathematics6%
- Stability and Controllability of Differential EquationsEngineering5.8%
- Differential Equations and Numerical MethodsMathematics4%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Mathematics Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 4 |
| Minor | Mathematics | 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 | 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 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
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
- 1.21LetPub ·
- CiteScore 2026-06
- 2.4LetPub ·
- SJR 2026-06
- 0.32LetPub ·
- SNIP 2026-06
- 0.52LetPub ·
- h-index
- 24OpenAlex ·
- i10-index
- 141OpenAlex ·
- 2-year mean citedness
- 1.34OpenAlex ·
- Self-citation rate
- 8.3%LetPub ·
- Share of gold OA articles
- 99.5%LetPub ·
Volume
- Articles per year
- 347LetPub ·
Articles by year OpenAlex count · 1,874 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 348 | 348 | 74 |
| 2025 | 358 | 358 | 466 |
| 2024 | 297 | 297 | 801 |
| 2023 | 347 | 347 | 1,628 |
| 2022 | 286 | 286 | 1,521 |
| 2021 | 104 | 104 | 387 |
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 10 weeksLetPub ·
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 accessOpenAlex
Every article is open access; authors usually pay an article processing charge (APC).
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | USD 1,000 | — | — |
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
- AMER INST MATHEMATICAL SCIENCES-AIMS
- Country or region
- UNITED STATES
- Language
- English
- ISSN
- 2688-1594
- Official links
- Journal homepage ↗OpenAlex
FAQ
Frequently asked questions about Electronic Research Archive
What CAS zone is Electronic Research Archive in?
In the 2025 upgraded edition of the CAS Journal Ranking, Electronic Research Archive is in Zone 4 of Mathematics, and in Zone 4 of the minor category Mathematics. 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 Research Archive?
The latest impact factor listed by LetPub is 1.21; CiteScore 2.4, h-index 24.
How long does peer review take at Electronic Research Archive?
Authors report an average review time of about 10 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 Electronic Research Archive?
According to LetPub and DOAJ records, Electronic Research Archive is indexed in SCIE and Scopus.
Is Electronic Research Archive open access, and what is the APC?
Electronic Research Archive is a fully open-access journal. APC about USD 1,000.
Sources and updates
The facts on this page come from LetPub, OpenAlex; 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: .