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Semigroup Forum is Scopus-indexed (Q3, CiteScore 1.2), WoS SCIE. It is covered by India's One Nation One Subscription scheme for reading access. Published by Springer New York.
Checked against the index lists dated .
ISSN 0037-1912Verify ISSN ↗1432-2137Verify ISSN ↗
Publisher: Springer New York
Cost to publish: About US$3,090 to publish open access (publisher list price, via OpenAlex) — subscription publishing may be free
| Subject area | Rank | Pctile | Q |
|---|---|---|---|
| Algebra and Number Theory | 72 / 137 | 47th | Q3 |
Not listed in: DOAJ, ABDC, ABS / AJG, FT50, UT Dallas, ONOS (APC covered)
Yes — actively indexed in Scopus, coverage 1970–present, best quartile Q3, CiteScore 1.2.
Semigroup Forum is Q3 in Algebra and Number Theory (rank 72 of 137), by CiteScore 2025.
Semigroup Forum is indexed in the Science Citation Index Expanded, so it may have a Journal Impact Factor in Clarivate's Journal Citation Reports. JCR is paid, so check it for the current value. The closest free measure is its Scopus CiteScore 1.2, which places it in quartile Q3 at the 47th percentile of its subject. Its SCImago Journal Rank (SJR, a free Scopus-based metric) is 0.598, quartile Q2, with an H-index of 42.
The publisher lists an article processing charge of about US$3,090 for open access (source: OpenAlex). Many journals also publish by the subscription route at no cost to the author, so confirm on the journal's own website.
Semigroup Forum is published by Springer New York. Its print ISSN is 0037-1912 and its online ISSN is 1432-2137.
Yes. It is part of the One Nation One Subscription (ONOS) national subscription, so readers at participating Indian institutions get its full text. ONOS does not cover its article processing charge.
Yes — indexed in the Science Citation Index Expanded.
No — it is not registered as an open-access journal in DOAJ or Scopus.
Semigroup Forum has an h-index of 61 and a 2-year mean of 0.48 citations per paper (OpenAlex). Its Scopus CiteScore is 1.2, quartile Q3. On 2-year citations it ranks #74 of 129 Scopus journals in Algebra and Number Theory.
Semigroup Forum published 106 papers in 2025. 2026* is the year so far.
h-index, i10-index and 2-year mean citedness are open, licence-clear metrics from OpenAlex — not a proprietary impact factor. The subject rank counts only journals that OpenAlex has a figure for; it is not a Scopus or Clarivate ranking. Updated 2026-10-14.
In its latest 96 research articles (2025–2026), authors are most often from United States (17.7%), China (12%) and Italy (5.7%).
Countries are counted fractionally, so a paper by authors from two countries counts half to each.
Scopus status: Active. 6 retracted papers are recorded (1.4 per 1,000 papers). The Problematic Paper Screener flags none of its papers. These are indicators to check, not findings against the journal.
Retractions from OpenAlex; flags from the Problematic Paper Screener (Cabanac, Labbé & Magazinov, CC BY), 2026-09-21 export. A flag marks a paper for a closer look; it is not a finding against the journal.
Index data is curated from public sources (Scopus, Web of Science, ABDC, FT50, UT Dallas, DOAJ). CiteScore and quartiles reflect the latest available Scopus release. Always verify a journal's current status on its official source before submitting.
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