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Concrete Operators

Walter de Gruyter GmbH · Germany · Est. 2012

ISSN2299-3282eISSN2299-3282

SJR Q4✓ WOS ESCI✓ Scopus / SJR✓ DOAJ✓ Open Access

Impact Factor & Quartile · Web of Science (JCR)

✓ Indexed in the Web of Science Core Collection (ESCI) — 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JCR quartile are licensed by Clarivate — we link you to the official source instead of reprinting a number that can go out of date.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 Q4 · Scopus CiteScore 0.8. Source: Clarivate Journal Citation Reports.

📊 Standing in its field

Where this journal ranks among others in the same subject area.

SJR · Scopus

Bottom 25%

Clarivate’s JCR quartile is a separate ranking and may differ

SJR Scorei

0.197

H-Indexi

CiteScorei

0.8

SNIPi

0.308

Total Worksi

117

Total Citationsi

362

2yr Mean Citednessi

0.25

Open Impact Factor alternative

Aims & Scope

Concrete Operators is a fully peer-reviewed open access journal publishing articles devoted to all special classes of linear operators acting on function spaces.

General Information

Country / RegionGermany

Primary LanguageEnglish

1st Year Published2012

Annual Volume~ 5 articles / year

StatusActive (last: 2026)

Total Publications117

Publisher OrgDe Gruyter Open

OA Since2012

Visit Journal Website

Submission Info

Peer ReviewSingle-blind

OA LicenseCC BY

OA Rate—

Ethics & Quality

COPE Member✗ No

OASPA Member✗ No

Not on Predatory Lists✓ Yes

Plagiarism Detection✓ Yes

📦 Long-term Preservation

PorticoScholars Portal

Think.Check.Submit Compliance

thinkchecksubmit.org

10/11 · 91%

✅

Do you know the journal / publisher?

Walter de Gruyter GmbH

✅

Does the journal have a website?

✓ Linked

✅

Is the ISSN verified?

2299-3282 / 2299-3282

✅

Indexed in a trusted database?

WoS, Scopus, DOAJ

✅

Peer review process documented?

Single-blind

❌

Follows ethical publishing standards (COPE)?

N/A

✅

Not on predatory/blacklists?

✓ Clean

✅

Long-term digital preservation?

Portico, Scholars Portal

✅

Plagiarism detection in place?

Yes

✅

Listed in DOAJ (verified OA)?

DOAJ verified

✅

Primary language documented?

English

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

Articles published

Citations received

2019

2020

2021

2022

2023

2024

2025

2026

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.

AnalysisQ4

Applied MathematicsQ4

Subject Classification

Web of Science Categories

Mathematics

Scopus Categories

Applied MathematicsAnalysis

Research Topics (OpenAlex)

Holomorphic and Operator TheoryAlgebraic and Geometric AnalysisSpectral Theory in Mathematical PhysicsAdvanced Banach Space TheoryMatrix Theory and AlgorithmsAdvanced Harmonic Analysis ResearchAdvanced Topics in AlgebraAnalytic and geometric function theoryMeromorphic and Entire FunctionsAdvanced Operator Algebra Research

Frequently asked questions about Concrete Operators

Is Concrete Operators a predatory journal?

PubScope has no integrity flags on record for Concrete Operators: it is indexed in Web of Science, Scopus, DOAJ, 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 Concrete Operators?

Concrete Operators 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. As an open alternative, its Scopus CiteScore is 0.8.

Is Concrete Operators indexed in Scopus and Web of Science?

Concrete Operators is indexed in Web of Science, Scopus, DOAJ.

What is the aims and scope of Concrete Operators?