Journal profile · MATHEMATICS
Sigmae
ISSN 2317-0840
Sigmae: CAS Zone 4 · Mathematics (2025 upgraded edition); fully open access; 25 articles in 2025; indexed in ESCI.
Scope
Aims, scope and focus
Sigmae 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 Statistical Methods and Applications, Geography and Environmental Studies and Agricultural and Food Sciences, together about 26.7% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
Research area (LetPub): MATHEMATICS
Main research topics OpenAlex counts of recent articles; shares are approximate
- Statistical Methods and ApplicationsMathematics10.7%
- Geography and Environmental StudiesEnvironmental Science8.9%
- Agricultural and Food SciencesAgricultural and Biological Sciences7.1%
- Rural Development and AgricultureEnvironmental Science6.7%
- Genetics and Plant BreedingAgricultural and Biological Sciences5.8%
- Business and Management StudiesDecision Sciences5.3%
- Genetic and phenotypic traits in livestockBiochemistry, Genetics and Molecular Biology4.4%
- Environmental and biological studiesEnvironmental Science4%
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)Not covered
Not covered by this edition.
Database indexing
ESCILetPub
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
- h-index
- 4OpenAlex ·
- i10-index
- 0OpenAlex ·
- 2-year mean citedness
- 0.06OpenAlex ·
- Share of gold OA articles
- 60.63%LetPub ·
Volume
- Articles per year
- 17LetPub ·
Articles by year OpenAlex count · 386 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2025 | 25 | 25 | 1 |
| 2024 | 83 | 83 | 6 |
| 2023 | 33 | 33 | 0 |
| 2022 | 31 | 31 | 2 |
| 2021 | 14 | 14 | 1 |
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.
Fees & open access
APC and open-access policy
Fully open accessOpenAlex
Every article is open access; authors usually pay an article processing charge (APC).
No source has fee information yet; check the journal's website.
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
- ISSN
- 2317-0840
- Official links
- Journal homepage ↗OpenAlex
FAQ
Frequently asked questions about Sigmae
What CAS zone is Sigmae in?
In the 2025 upgraded edition of the CAS Journal Ranking, Sigmae 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.
Which databases index Sigmae?
According to LetPub and DOAJ records, Sigmae is indexed in ESCI.
Is Sigmae open access, and what is the APC?
Sigmae is a fully open-access journal. Fee information is not available yet; check the journal's website.
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 2026-08-26). Last updated: .