ImpaQ Ecosystem•Clarivate, Scopus & CORE Data
Clarivate WoS 2024 / 2025 Data
IMPAQ
WoS SCIE Q1Scopus Q3SCImago #13,776Hybrid

Journal of Inverse and Ill-Posed Problems

Abbreviation (ISO):J. Inverse Ill-Posed Probl
•
Identifier (ISSN):0928-0219(Print)/1569-3945(Online)
•
Publisher:Walter de Gruyter GmbH
Clarivate IF (2026)
1.2↑ +0.2
Journal Impact Factor
IF Trend↓
WoS Quartile
Q1
WoS SCIEJCR Quartile
Clarivate WoS JCR
WoS Categories↓
JCR Release Date: 2026-06-17

Impact Factor Trend (2018–2026)

Clarivate IF trend for Journal of Inverse and Ill-Posed Problems

WoS Q1
01120.9420180.8820190.9320201.5120211.4520221.120230.92024120251.22026
Annual Impact Factor Metric
Current (2026):1.2
Scopus SJR & RankScopus Q3
0.417
#13,776

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025
H-Index (2025)
41

41 papers with at least that number of citations each

WoS: SCIE / JCRQ1
Self-Citation Rate11.1%
Safe Level (< 15%)Warning Level (> 20%)
Self-citation below 15% indicates strong scholarly independence.
Volume & Open AccessHybrid
58articles/year
4.05% Gold OA•98.59% Original Research

Aims & Scope

This journal aims to present original articles on the theory, numerics and applications of inverse and ill-posed problems. These inverse and ill-posed problems arise in mathematical physics and mathematical analysis, geophysics, acoustics, electrodynamics, tomography, medicine, ecology, financial mathematics etc. Articles on the construction and justification of new numerical algorithms of inverse problem solutions are also published. Issues of the Journal of Inverse and Ill-Posed Problems contain high quality papers which have an innovative approach and topical interest. The following topics are covered: Inverse problems existence and uniqueness theorems stability estimates optimization and identification problems numerical methods Ill-posed problems regularization theory operator equations integral geometry Applications inverse problems in geophysics, electrodynamics and acoustics inverse problems in ecology inverse and ill-posed problems in medicine mathematical problems of tomography

Topics Covered (Recognized by AI)
Mathematics82.4%Mathematical analysis64.9%Computer science63.6%Physics62.7%Philosophy53.6%Quantum mechanics52.2%Applied mathematics51.2%Linguistics49.4%Geometry44.6%Inverse problem34.8%Inverse34.6%Biology27.6%Artificial intelligence25.4%Engineering21.6%
Primary Research Areas

WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI
JCRSCIE2026

MATHEMATICS

Q1
Rank115/492
IndexSCIE
JCRSCIE2026

MATHEMATICS, APPLIED

Q2
Rank167/345
IndexSCIE
JCISCIE2026

MATHEMATICS

Q2
Rank149/492
IndexSCIE
JCISCIE2026

MATHEMATICS, APPLIED

Q2
Rank132/345
IndexSCIE

Annual Historical Statistics & Publications

Track annual publication volume, total citations, and Impact Factor evolution

12 year
2026Latest
IF1.2
Articles / Year48
Total Citations3
2025
IF1
Articles / Year60
Total Citations39
2024
IF0.9
Articles / Year47
Total Citations95
2023
IF1.1
Articles / Year74
Total Citations212
2022
IF1.448
Articles / Year50
Total Citations130

SCImago & Scopus Journal Intelligence

Global SCImago ranking, SJR prestige index, Scopus coverage, and societal policy impact

Rank #13,776Scopus Q3SCImago Profile
Scopus Coverage:1993-2026
Scopus Broad Areas:Mathematics
Scopus Citation Rank (SJR)Q3
0.417

Weighted prestige citation metric per document indexed in the Scopus database.

Quartile: Scopus Q3
Citations / Doc (2 years)
1.28

Average citations received per document published in the 2-year window.

2-Year Citation Window
Estimated Publication Fee (APC)
$2,928 USD

Estimated Article Processing Charge for Open Access publication.

Estimated cost / article

Scopus 3-Year Publication & Citation Window

3-Year Citations220
3-Year Documents184
Citable Documents184

Aggregated from Scopus database across the 3-year SJR evaluation window.

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)0

Citations in government and international policy documents

Female Author Rate30.9%

Percentage of female authors published in the journal

Real-world societal policy reach and author gender diversity tracked by SCImago.

Scopus Subject Categories

Applied MathematicsQ3
Academic Metric Intelligence

Journal Metrics & Citation Visualizations

Total Cites vs Self-Cites

Evaluation of scholarly independence and citation reach

Total citations steady growth
Self-citation: 11.1%

Citations per Document

Citation metric windows across 2, 3, and 4 years

Cites / Doc (4 years)Cites / Doc (3 years)Cites / Doc (2 years)

Chinese Academy of Sciences (CAS) Classification

Major / minor zone classification and CAS Early Warning List history

Major Category (Broad Field):
4区 (Zone 4)Mathematics
Minor Category (Specific Field):
4区MATHEMATICS, APPLIED
CAS Early Warning List History:
Updated annually: 2020 – 2024
2020
Not warned
2021
Not warned
2022
Not warned
2023
Not warned
2024
Not warned

Academic Intelligence Overview & Context

ImpaQ Analysis

Journal of Inverse and Ill-Posed Problems (abbr: J. Inverse Ill-Posed Probl, ISSN: 0928-0219) is a peer-reviewed international scholarly journal in the field of MATHEMATICS, published by Walter de Gruyter GmbH in Germany. The periodical holds a Journal Impact Factor (JIF) of 1.20, ranking in quartile Q1 of Web of Science (SCIE), a Scopus SJR indicator of 0.417 (Q3), an H-index of 41.

The journal enforces rigorous peer evaluation with a publication frequency of Monthly, an annual output of approximately 58 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with an estimated APC of $2,928 USD. It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.

Publishing & Editorial Information

Detailed publisher, peer-review turnaround, and publication cycle specifications

Open Access Model
Hybrid
Publisher
Walter de Gruyter GmbH
Publication Language
English
Frequency
Monthly
Indexing & Databases
SCIEScopusPubMed
Editorial Address
WALTER DE GRUYTER & CO, GENTHINER STRASSE 13, BERLIN, GERMANY, D-10785

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Record UUID: 3bdb21f6-9cce-4385-9473-8b5ac9f56406
Database Updated: 2026-09-30