ImpaQ Ecosystem•Clarivate, Scopus & CORE Data
Clarivate WoS 2024 / 2025 Data
IMPAQ
WoS SCIE Q1Scopus Q1SCImago #2,785Hybrid

Journal of Combinatorial Theory Series A

Acronym:jcta
•
Abbreviation (ISO):J. COMB. THEORY SER. A
•
Identifier (ISSN):0097-3165(Print)/1096-0899(Online)
•
Publisher:Academic Press Inc.
Clarivate IF (2026)
1.7↑ +0.5
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 Combinatorial Theory Series A

WoS Q1
01230.9320180.9620191.1320201.1920211.2620221.120230.920241.220251.72026
Annual Impact Factor Metric
Current (2026):1.7
Scopus SJR & RankScopus Q1
1.393
#2,785

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025
H-Index (2025)
64

64 papers with at least that number of citations each

WoS: SCIE / JCRQ1
Self-Citation Rate0%
Safe Level (< 15%)Warning Level (> 20%)
Self-citation below 15% indicates strong scholarly independence.
Volume & Open AccessHybrid
174articles/year
23.33% Gold OA•100% Original Research

Aims & Scope

The Journal of Combinatorial Theory publishes original mathematical research concerned with theoretical and physical aspects of the study of finite and discrete structures in all branches of science. Series A is concerned primarily with structures, designs, and applications of combinatorics and is a valuable tool for mathematicians and computer scientists.

Topics Covered (Recognized by AI)
Mathematics87.4%Combinatorics79.4%Computer science67%Discrete mathematics65.2%Pure mathematics49.1%Physics42.4%Geometry39.2%Mathematical analysis37.9%Philosophy32.4%Programming language30.2%Quantum mechanics24.6%Biology22.9%Chemistry20.8%
Primary Research Areas

WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI
JCRSCIE2026

MATHEMATICS

Q1
Rank51/492
IndexSCIE
JCISCIE2026

MATHEMATICS

Q1
Rank54/492
IndexSCIE

Annual Historical Statistics & Publications

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

12 year
2026Latest
IF1.7
Articles / Year71
Total Citations11
2025
IF1.2
Articles / Year92
Total Citations72
2024
IF0.9
Articles / Year93
Total Citations289
2023
IF1.1
Articles / Year81
Total Citations255
2022
IF1.263
Articles / Year86
Total Citations449

SCImago & Scopus Journal Intelligence

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

Rank #2,785Scopus Q1SCImago Profile
Scopus Coverage:1971-2026
Scopus Broad Areas:Computer ScienceMathematics
Scopus Citation Rank (SJR)Q1
1.393

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

Quartile: Scopus Q1
Citations / Doc (2 years)
1.85

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

2-Year Citation Window
Estimated Publication Fee (APC)
$3,516 USD

Estimated Article Processing Charge for Open Access publication.

Estimated cost / article

Scopus 3-Year Publication & Citation Window

3-Year Citations399
3-Year Documents234
Citable Documents234

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 Rate23.9%

Percentage of female authors published in the journal

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

Scopus Subject Categories

Computational Theory and MathematicsQ1
Discrete Mathematics and CombinatoricsQ1
Theoretical Computer ScienceQ1
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: 0%

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):
2区 (Zone 2)Mathematics
Minor Category (Specific Field):
2区MATHEMATICS
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 Combinatorial Theory Series A (acronym: jcta, abbr: J. COMB. THEORY SER. A, ISSN: 0097-3165) is a peer-reviewed international scholarly journal in the field of Mathematics, published by Academic Press Inc. in United States. The periodical holds a Journal Impact Factor (JIF) of 1.70, ranking in quartile Q1 of Web of Science (SCIE), a Scopus SJR indicator of 1.393 (Q1), an H-index of 64.

The journal enforces rigorous peer evaluation with a publication frequency of Bimonthly, an annual output of approximately 174 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with an estimated APC of $3,516 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
Academic Press Inc.
Publication Language
Multi-Language
Frequency
Bimonthly
Indexing & Databases
SCIEScopusPubMed
Editorial Address
ACADEMIC PRESS INC ELSEVIER SCIENCE, 525 B ST, STE 1900, SAN DIEGO, USA, CA, 92101-4495

Similar Journals in Discipline

Journals in the same research field with comparable impact metrics

Record UUID: 8b320acd-7f99-44ba-abcd-44b551b0707c
Database Updated: 2026-10-16