Integral Equations and Operator Theory
Birkhauser Verlag Basel · Switzerland · Est. 1978
✓ Indexed in the Web of Science Core Collection (SCIE) — Clarivate publishes an official Journal Impact Factor and JCR quartile for this journal.
See the official Impact Factor & quartile on the journal’s page ↗The Impact Factor & JCR quartile are licensed by Clarivate — we link you to the official source instead of reprinting a number that can go out of date. Open metrics below: SCImago Q2. Source: Clarivate Journal Citation Reports.
Aims & Scope
Integral Equations and Operator Theory focuses on publishing original research papers in operator theory and in areas where operator theory plays a key role, such as integral equations and differential equations. Welcomes new significant developments in operator theory. Emphasizes the linear aspects of the theory. Includes fruitful interactions of operator theory with applications and other areas of mathematics. Publishes high quality research papers as well as challenging open problems. Features a very high percentage of authors intending to publish in the journal again.
General Information
Submission Info
Ethics & Quality
Think.Check.Submit Compliance
A twelfth criterion — whether APC fees are clearly disclosed — is not scored here; it is left out of the total rather than counted as a failure. Publication charges appear in the metrics card above.
Based on the Think.Check.Submit framework by DOAJ, COPE & OASPA. All data from verified open sources.
Publication & Citation Trend
Source: OpenAlex · Each year’s green bar = citations earned by that year’s papers, counted to date — so recent years look lower simply because their papers haven’t had time to be cited yet.
SJR Quartile by Discipline
Scimago ranks this journal separately in each subject category — its quartile can differ by discipline.
Subject Classification
Web of Science Categories
Scopus Categories
Research Topics (OpenAlex)
Frequently asked questions about Integral Equations and Operator Theory
Is Integral Equations and Operator Theory a predatory journal?
PubScope has no integrity flags on record for Integral Equations and Operator Theory: it is indexed in Web of Science, Scopus, and is not on DOAJ's withdrawn list. Indexing is a transparency signal, not a guarantee — always confirm fit and policies before submitting.
What is the impact factor of Integral Equations and Operator Theory?
Integral Equations and Operator Theory is indexed in the Web of Science Core Collection, so Clarivate publishes an official Journal Impact Factor for it (since the 2023 Journal Citation Reports, every Core Collection journal — including Arts & Humanities and Emerging Sources titles — receives one). PubScope links to Clarivate's official source rather than reprinting the number, which can be out of date. Its open 2-year mean citedness is 0.89.
Is Integral Equations and Operator Theory indexed in Scopus and Web of Science?
Integral Equations and Operator Theory is indexed in Web of Science, Scopus.
What is the aims and scope of Integral Equations and Operator Theory?
Integral Equations and Operator Theory focuses on publishing original research papers in operator theory and in areas where operator theory plays a key role, such as integral equations and differential equations. Welcomes new significant developments in operator theory. Emphasizes the linear aspects of the theory. Includes fruitful interactions of operator theory with applications and other areas of mathematics. Publishes high quality research papers as well as challenging open problems. Features a very high percentage of authors intending to publish in the journal again.
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See all →Data updated: 2026-05-22 · Sources: SJR, DOAJ, OpenAlex, WoS, Crossref