Home›Search›Journal of Operator Theory

Journal of Operator Theory

Theta Foundation · Romania

ISSN0379-4024eISSN1841-7744

SJR Q1✓ WOS SCIE✓ Scopus / SJR

/ 100

Medium Risk

Score Breakdown

✓ WoS SCIE/SSCI+25

✓ Scopus Q1+25

Total50

Journal Impact Factor

This journal is indexed in Web of Science (JCR) and has an official Journal Impact Factor. View the current value on the journal’s page ↗

SJR Score

0.746

H-Index

CiteScore

View ↗

Scopus metric · on the journal’s page

SNIP

1.09

Total Works

669

Total Citations

3,452

2yr Mean Citedness

2.35

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Retractions

Source: Retraction Watch

Aims & Scope✦ Inferred from recent articles

The Journal of Operator Theory publishes research on operator algebras, including C*-algebras, von Neumann algebras, and operator spaces. Topics include the study of dynamical systems associated with operator algebras, extensions of operators, and functional models. The journal also covers related areas such as Hilbert modules, quantum groups, and non-commutative geometry.

AI-summarised from recent articles · verify on publisher page →

⚡ Speed vs Prestige

How does this journal balance review speed with impact level?

SJR Rank

Top 25% in field

General Information

Country / RegionRomania

Primary LanguageEnglish

1st Year Published—

FrequencyQuarterly

StatusActive

Total Publications669

Visit Journal Website

Submission Info

Publishing ModelSubscription

Peer ReviewSingle-blind peer review

Review Time—

Acceptance Rate—

OA LicenseCC BY-NC-ND 4.0

OA Rate—

Ethics & Quality

COPE Member✗ No

OASPA Member✗ No

Not on Predatory Lists✓ Yes

Think.Check.Submit Compliance

thinkchecksubmit.org

7/12 · 58%

✅

Do you know the journal / publisher?

Theta Foundation

✅

Does the journal have a website?

✓ Linked

✅

Is the ISSN verified?

0379-4024 / 1841-7744

✅

Indexed in a trusted database?

WoS, Scopus

✅

Peer review process documented?

Single-blind peer review

❌

Follows ethical publishing standards (COPE)?

N/A

❌

APC fees clearly disclosed?

N/A

✅

Not on predatory/blacklists?

✓ Clean

❌

Long-term digital preservation?

N/A

❌

Plagiarism detection in place?

N/A

❌

Listed in DOAJ (verified OA)?

N/A

✅

Primary language documented?

English

Based on the Think.Check.Submit framework by DOAJ, COPE & OASPA. All data from verified open sources.

Publication & Citation Trend

Articles published

Times cited

2019

2020

2021

2022

2023

2024

2025

2026

Source: OpenAlex · Note: citations accumulate over time so older years appear higher

SJR Quartile by Discipline

Scimago ranks this journal separately in each subject category — its quartile can differ by discipline.

Algebra and Number TheoryQ1

Subject Classification

Web of Science Categories

Mathematics

Scopus Categories

Algebra and Number Theory

Research Topics (OpenAlex)

Advanced Operator Algebra ResearchAdvanced Topics in AlgebraHolomorphic and Operator TheorySpectral Theory in Mathematical PhysicsAdvanced Banach Space Theory