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Nonlinearity is Scopus-indexed (Q2, CiteScore 2.6), WoS SCIE. It is covered by India's One Nation One Subscription scheme for reading access. Published by IOP Publishing Ltd..
Checked against the index lists dated .
ISSN 0951-7715Verify ISSN ↗1361-6544Verify ISSN ↗
Publisher: IOP Publishing Ltd.
Cost to publish: About US$3,325 to publish open access (publisher list price, via OpenAlex) — subscription publishing may be free
| Subject area | Rank | Pctile | Q |
|---|---|---|---|
| Mathematical Physics | 31 / 90 | 66th | Q2 |
| Applied Mathematics | 281 / 680 | 58th | Q2 |
| Physics and Astronomy (all) | 127 / 248 | 48th | Q3 |
| Statistical and Nonlinear Physics | 37 / 63 | 42nd | Q3 |
Not listed in: DOAJ, ABDC, ABS / AJG, FT50, UT Dallas, ONOS (APC covered)
Yes — actively indexed in Scopus, coverage 1988–present, best quartile Q2, CiteScore 2.6.
Nonlinearity is Q2 in Mathematical Physics (rank 31 of 90), Q2 in Applied Mathematics (rank 281 of 680) and Q3 in Physics and Astronomy (all) (rank 127 of 248), by CiteScore 2025. It is ranked in 4 subject areas in all.
Nonlinearity 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 2.6, which places it in quartile Q2 at the 66th percentile of its subject. Its SCImago Journal Rank (SJR, a free Scopus-based metric) is 1.190, quartile Q1, with an H-index of 112.
The publisher lists an article processing charge of about US$3,325 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.
Nonlinearity is published by IOP Publishing Ltd. Its print ISSN is 0951-7715 and its online ISSN is 1361-6544.
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.
Nonlinearity has an h-index of 132 and a 2-year mean of 1.59 citations per paper (OpenAlex). Its Scopus CiteScore is 2.6, quartile Q2. On 2-year citations it ranks #31 of 88 Scopus journals in Mathematical Physics.
Nonlinearity published 294 papers in 2025; its busiest recent year was 2021 with 309. 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 (2026), authors are most often from China (28.3%), United States (13.7%) and Italy (10.4%).
Countries are counted fractionally, so a paper by authors from two countries counts half to each.
Scopus status: Active. 4 retracted papers are recorded (0.7 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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