ImpaQ Ecosystem•Clarivate, Scopus & CORE Data
Clarivate WoS 2024 / 2025 Data
IMPAQ
WoS SCIE Q1Scopus Q1SCImago #5,210Diamond OAGold OA

Interfaces and Free Boundaries

Abbreviation (ISO):INTERFACES FREE BOUNDARIES
•
Identifier (ISSN):1463-9963(Print)/1463-9971(Online)
•
Publisher:European Mathematical Society Publishing House
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 Interfaces and Free Boundaries

WoS Q1
01120.6420180.6820190.7220201.3920210.942022120231.22024120251.22026
Annual Impact Factor Metric
Current (2026):1.2
Scopus SJR & RankScopus Q1
0.961
#5,210

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025
H-Index (2025)
43

43 papers with at least that number of citations each

WoS: SCIE / JCRQ1
Self-Citation Rate8.3%
Safe Level (< 15%)Warning Level (> 20%)
Self-citation below 15% indicates strong scholarly independence.
Volume & Open AccessGold OA
16articles/year
100% Gold OA•100% Original Research

Aims & Scope

Interfaces and Free Boundaries is dedicated to the mathematical modelling, analysis and computation of interfaces and free boundary problems in all areas where such phenomena are pertinent. The journal aims to be a forum where mathematical analysis, partial differential equations, modelling, scientific computing and the various applications which involve mathematical modelling meet. Submissions should, ideally, emphasize the combination of theory and application.

Topics Covered (Recognized by AI)
MathematicsPhysicsMathematical AnalysisQuantum MechanicsGeometryThermodynamicsEngineeringComputer ScienceMathematics, AppliedMaterials ScienceMechanical EngineeringChemistryBiologyComposite MaterialsPhilosophyGeographyOrganic ChemistryGeology
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
Rank124/492
IndexSCIE
JCISCIE2026

MATHEMATICS, APPLIED

Q2
Rank114/345
IndexSCIE

Annual Historical Statistics & Publications

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

12 year
2026Latest
IF1.2
Articles / Year26
Total Citations25
2025
IF1
Articles / Year19
Total Citations4
2024
IF1.2
Articles / Year33
Total Citations62
2023
IF1
Articles / Year18
Total Citations55
2022
IF0.941
Articles / Year20
Total Citations111

SCImago & Scopus Journal Intelligence

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

Rank #5,210Scopus Q1Diamond OASCImago Profile
Scopus Coverage:1999-2025
Scopus Broad Areas:MathematicsPhysics and Astronomy
Scopus Citation Rank (SJR)Q1
0.961

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

Quartile: Scopus Q1
Citations / Doc (2 years)
0.95

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

2-Year Citation Window
Estimated Publication Fee (APC)
100% Free

Diamond Open Access: Authors publish completely free of charge with zero author-facing fees.

Diamond Open Access

Scopus 3-Year Publication & Citation Window

3-Year Citations57
3-Year Documents51
Citable Documents51

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 Rate9.8%

Percentage of female authors published in the journal

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

Scopus Subject Categories

Applied MathematicsQ1
Surfaces and InterfacesQ1
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: 8.3%

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):
3区 (Zone 3)Mathematics
Minor Category (Specific Field):
3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

Interfaces and Free Boundaries (abbr: INTERFACES FREE BOUNDARIES, ISSN: 1463-9963) is a peer-reviewed international scholarly journal in the field of Mathematics, published by European Mathematical Society Publishing House in Switzerland. 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 0.961 (Q1), an H-index of 43.

The journal enforces rigorous peer evaluation with a publication frequency of Quarterly, an annual output of approximately 16 scientific articles. In terms of accessibility and author fees, it operates under the Gold OA model with Diamond Open Access (100% free of author APC charges). 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
Gold OA
Publisher
European Mathematical Society Publishing House
Publication Language
English
Frequency
Quarterly
Indexing & Databases
SCIEScopusPubMed
Editorial Address
EUROPEAN MATHEMATICAL SOC, C/O DR THOMAS HINTERMANN, EMS PUBLISHING HOUSE, E T H-ZENTRUM FLI C4, ZURICH, SWITZERLAND, CH-8092

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Record UUID: 6499afa8-61f9-4af1-836d-7b4c597b273d
Database Updated: 2026-09-28