Journal profile · MATHEMATICS
Advances in Operator Theory
ISSN 2662-2009 · eISSN 2538-225X · Tusi Mathematical Research Group (TMRG)
Advances in Operator Theory: CAS Zone 4 · Mathematics (2025 upgraded edition); impact factor 0.7 (journal website); hybrid open access; APC about USD 3,190; median 124 days to acceptance (90 articles, last 24 months); 77 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
Advances in Operator Theory is published by Tusi Mathematical Research Group (TMRG) 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 Holomorphic and Operator Theory, Advanced Banach Space Theory and Matrix Theory and Algorithms, together about 30.5% of its articles. Its main subfields are Applied Mathematics and Mathematical Physics. (generated from OpenAlex topic counts and CAS ranking data)
The Advances in Operator Theory is published by Birkhäuser on behalf of the Tusi Mathematical Research Group. Adv. Oper. Theory is a peer-reviewed electronic journal publishing survey articles and original research papers of high standards with deep results, new ideas, profound impact, and significant implications in all areas of operator theory and all modern related topics (e.g., functional analysis). Two related journals are Banach Journal of Mathematical Analysis and Annals of Funtional Analysis. Adv. Oper. Theory presents the best paper award yearly. The award in the year n is given to the best paper published in the years n-1 and n-2. The referee committee consists of selected editors of the journal.
From the journal's Aims & Scope
Research area (LetPub): MATHEMATICS
Editor-in-chief Mohammad SalPublisher website
Editorial board by country: 2 in mainland China (about 5%); most named Spain 8, United States 5, Italy 3, Argentina 3, Slovenia 3 (42 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Holomorphic and Operator TheoryMathematics13.5%
- Advanced Banach Space TheoryMathematics8.7%
- Matrix Theory and AlgorithmsComputer Science8.2%
- Advanced Topics in AlgebraMathematics7.2%
- Advanced Harmonic Analysis ResearchMathematics6.2%
- Advanced Operator Algebra ResearchMathematics5.8%
- Spectral Theory in Mathematical PhysicsMathematics5.3%
- Mathematical Inequalities and ApplicationsMathematics5.1%
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 3
| Level | Category | Zone |
|---|---|---|
| Major | Mathematics | Zone 3 |
| 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
ESCIScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
zbMATHPublisher website
Other: Google Scholar, EBSCO, ProQuest, Dimensions, CNKI, Baidu, Naver, OCLC, Portico, CLOCKSS
As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.
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 (publisher) 2025
- 0.7Publisher website ·
- 5-year impact factor (publisher) 2025
- 0.7Publisher website ·
- CiteScore 2026-06
- 1.3LetPub ·
- SJR 2026-06
- 0.41LetPub ·
- SNIP 2026-06
- 0.81LetPub ·
- h-index
- 17OpenAlex ·
- i10-index
- 42OpenAlex ·
- 2-year mean citedness
- 0.79OpenAlex ·
- Self-citation rate
- 14.3%LetPub ·
- Share of gold OA articles
- 16.47%LetPub ·
Volume
- Articles per year
- 78LetPub ·
- Downloads per year (publisher) 2025
- 52,700Publisher website ·
Articles by year OpenAlex count · 631 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 49 | 19 | 4 |
| 2025 | 77 | 19 | 57 |
| 2024 | 102 | 26 | 120 |
| 2023 | 73 | 14 | 137 |
| 2022 | 62 | 7 | 154 |
| 2021 | 53 | 16 | 197 |
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
Review time from article dates manuscript dates registered with Crossref · to
124 daysMedian, submission to acceptance · P25–P75 84 days – 156 days
- Acceptance to online
- median 22 days (90 articles)
- Submission to online
- median 153 days
- Sample
- 90 articles with submission and acceptance dates (157 in the window); the latest was accepted on
Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".
Other sources
- Peer review
- Single anonymous peer review, Double anonymous peer reviewPublisher website
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
Hybrid open accessLetPub
A subscription journal in which authors can pay to publish their article open access.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | USD 3,190 / EUR 2,590 / GBP 2,290 | — | — |
A hybrid journal charges the APC only when the author chooses open access; publishing under the subscription model is usually free.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Submission
Article types and submission policies (journal website)
What to prepare3 items from the author guidelines
- Abstract
- 150–250 words
- Reference style
- Numbered, in order of citation
- Suggested reviewers
- Optional
Article types accepted1
- editorialSingle-blind peer review This journal follows a single-blind reviewing procedure. This journal also publishes special/guest-edited issues. The peer review proce…Length not stated
Policy excerpts from the journal's websiteAI use, Conflicts of interest, Publication ethics, License & copyright, Open access, Peer review, Plagiarism
- AI use Generative AI Images
LLMs do not satisfy authorship criteria Model summary
Please check Springer’s policy on generative AI images and make sure your work adheres to the principles described therein. Back to top
Source ↗Publisher website ·- Conflicts of interest Competing Interests
Competing interests disclosure required Model summary
Authors are requested to disclose interests that are directly or indirectly related to the work submitted for publication. Interests within the last 3 years of beginning the work (conducting the research and preparing the work for submission) should be reported. Interests outside the 3-year time frame must be disclosed if they could reasonably be perceived as influencing the submitted work. Disclo…
Source ↗Publisher website ·- Publication ethics Compliance with Ethical Standards
To ensure objectivity and transparency in research and to ensure that accepted principles of ethical and professional conduct have been followed, authors should include information regarding sources of funding, potential conflicts of interest (financial or non-financial), informed consent if the research involved human participants, and a statement on welfare of animals if the research involved an…
Source ↗Publisher website ·- License & copyright Copyright
Permissions required for previously published material Model summary
Open Choice articles do not require transfer of copyright as the copyright remains with the author. In opting for open access, the author(s) agree to publish the article under a Creative Commons license. Details of the OA licences offered to authors can be found on the individual journal website, in the journal's How to publish with us guide. Back to top
Source ↗Publisher website ·- Open access Open access publishing
Open Choice copyright remains with author under CC license Model summary
To find out more about publishing your work Open Access in Advances in Operator Theory, including information on fees, funding and licences, visit our Open access publishing page. Back to top
Source ↗Publisher website ·- Peer review Single-blind peer review
Single-blind peer review Model summary
This journal follows a single-blind reviewing procedure. This journal also publishes special/guest-edited issues. The peer review process for these articles is the same as the peer review process of the journal in general. Additionally, if a guest editor authors an article in their issue/collection, they will not handle the peer review process.
Source ↗Publisher website ·- Plagiarism
Plagiarism screening software may be used Model summary
the journal may use software to screen for plagiarism
Source ↗Publisher website ·
Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.
Profile
Publication details and official links
- Publisher
- Tusi Mathematical Research Group (TMRG)
- ISSN
- 2662-2009
- Electronic ISSN
- 2538-225X
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗Publisher website
- Special issues ↗Publisher website
FAQ
Frequently asked questions about Advances in Operator Theory
What CAS zone is Advances in Operator Theory in?
In the 2025 upgraded edition of the CAS Journal Ranking, Advances in Operator Theory is in Zone 4 of Mathematics, and in Zone 4 of the minor category Mathematics. In the 2026 Xinrui edition it is in Zone 3 of Mathematics. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Advances in Operator Theory?
The journal's website gives an impact factor of 0.7 (2025); this is the journal's own figure, as LetPub lists none for it; CiteScore 1.3, h-index 17.
How long does peer review take at Advances in Operator Theory?
Based on the dates recorded on 90 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 124 days (interquartile range 84–156 days). 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.
What are the manuscript requirements of Advances in Operator Theory?
According to the journal's author guidelines: Abstract: 150–250 words; Reference style: Numbered, in order of citation; Suggested reviewers: Optional. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.
Where are the editorial board members of Advances in Operator Theory based?
Of the 42 board members whose country the journal's board page names, 2 (about 5%) are in mainland China; the countries named most often are Spain (8), United States (5) and Italy (3). Counted from the institutions listed on the board page; for reference only.
Which databases index Advances in Operator Theory?
According to LetPub and DOAJ records, Advances in Operator Theory is indexed in ESCI and Scopus. The journal's website also lists zbMATH; that list has not been checked against each database.
Is Advances in Operator Theory open access, and what is the APC?
Advances in Operator Theory is a hybrid journal. For open-access publication: APC about USD 3,190.
Sources and updates
The facts on this page come from LetPub, OpenAlex, Publisher website; 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: .