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Combinatorial Theory

eScholarship University of California · United States · Est. 1988

ISSN2766-1334eISSN2766-1334

SJR Q1✓ WOS ESCI✓ Scopus / SJR✓ DOAJ✓ Open Access

/ 100

High Trust

PubScope credibility score from verifiable indexing & ethics signals

Score Breakdown

◆ Scopus Q178

✓ Corroboration (3 more)+18

Total96

Level data: Norwegian Register (HK-dir), NLOD 2.0. · Third-party records · how this is calculated · Report an error →

⚡ Speed vs Prestige

How does this journal balance review speed with impact level?

weeks to publish · journal-reported

Slow · vs ~15 wk median

SJR Rank

Top 25% in field

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JCR quartile are licensed by Clarivate — we link you to the official source instead of reprinting a number that can go out of date.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 Q1. Source: Clarivate Journal Citation Reports.

SJR Scorei

0.99

H-Indexi

CiteScore

View ↗

Scopus metric · on the journal’s page

SNIPi

1.18

Total Worksi

252

Total Citationsi

524

2yr Mean Citednessi

1.10

Open Impact Factor alternative

Aims & Scope

Subject areas: Mathematics; Discrete Mathematics and Combinatorics.

General Information

Country / RegionUnited States

Primary LanguageEnglish

1st Year Published1988

Annual Volume~ 48 articles / year

StatusActive (last: 2026)

Total Publications252

OA Since2020

Visit Journal Website

Submission Info

APC Cost💎 Diamond OA — Free

Peer ReviewDouble-blind

Review Time~60 weeks

Acceptance Rate—

OA LicenseCC BY

OA Rate—

Ethics & Quality

COPE Member✗ No

OASPA Member✗ No

Not on Predatory Lists✓ Yes

Plagiarism Detection✗ No

📦 Long-term Preservation

Merritt Preservation Repository

Think.Check.Submit Compliance

thinkchecksubmit.org

10/12 · 83%

✅

Do you know the journal / publisher?

eScholarship University of California

✅

Does the journal have a website?

✓ Linked

✅

Is the ISSN verified?

2766-1334 / 2766-1334

✅

Indexed in a trusted database?

WoS, Scopus, DOAJ

✅

Peer review process documented?

Double-blind

❌

Follows ethical publishing standards (COPE)?

N/A

✅

APC fees clearly disclosed?

No APC (Free)

✅

Not on predatory/blacklists?

✓ Clean

✅

Long-term digital preservation?

Merritt Preservation Repository

❌

Plagiarism detection in place?

✅

Listed in DOAJ (verified OA)?

DOAJ verified

✅

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

Citations received

1988

124

2021

162

2022

122

2023

110

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.

Discrete Mathematics and CombinatoricsQ1

Subject Classification

Web of Science Categories

Mathematics

Scopus Categories

Discrete Mathematics and Combinatorics

Research Topics (OpenAlex)

Advanced Combinatorial MathematicsAlgebraic structures and combinatorial modelsAdvanced Graph Theory ResearchLimits and Structures in Graph Theorygraph theory and CDMA systemsMathematical Dynamics and FractalsAdvanced Mathematical Identitiessemigroups and automata theoryFinite Group Theory ResearchAdvanced Algebra and Logic

Frequently asked questions about Combinatorial Theory

Is Combinatorial Theory a predatory journal?

PubScope has no integrity flags on record for Combinatorial Theory: it is indexed in Web of Science, Scopus, DOAJ, and is not on DOAJ's withdrawn list. Its PubScope Trust Score is 96/100. Indexing is a transparency signal, not a guarantee — always confirm fit and policies before submitting.

What is the impact factor of Combinatorial Theory?

Combinatorial Theory 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. Its open 2-year mean citedness is 1.10.

Is Combinatorial Theory indexed in Scopus and Web of Science?

Combinatorial Theory is indexed in Web of Science, Scopus, DOAJ.

What is the aims and scope of Combinatorial Theory?