Journal of Combinatorial Theory

The Journal of Combinatorial Theory, Series A[1] and Series B,[2] are mathematical journals specializing in combinatorics and related areas. They are published by Elsevier. Series A is concerned primarily with structures, designs, and applications of combinatorics. Series B is concerned primarily with graph and matroid theory. The two series are two of the leading journals in the field and are widely known as JCTA and JCTB.

Journal of Combinatorial Theory
DisciplineMathematics
LanguageEnglish
Publication details
History1966-present
Publisher
FrequencyMonthly
no
Standard abbreviations
ISO 4J. Comb. Theory
MathSciNetJ. Combin. Theory
Indexing
Series A
ISSN0097-3165
Series B
ISSN0095-8956
Links

The journal was founded in 1966 by Frank Harary and Gian-Carlo Rota.[3] Originally there was only one journal, which was split into two parts in 1971 as the field grew rapidly.

An electronic, open access journal, Combinatorial Theory,[4] was announced in 2020, that aims to be a continuation of JCTA independently from Elsevier. Most of the editorial board of JCTA will resign at the end of 2020 and transition to Combinatorial Theory.[5][6][7]

Influential articles

Influential articles that appeared in the journal include Katona's elegant proof[8] of the Erdős–Ko–Rado theorem and a series of papers spanning over 500 pages, appearing from 1983[9] to 2004,[10] by Neil Robertson and Paul D. Seymour on the topic of graph minors, which together constitute the proof of the graph minor theorem. Two articles proving Kneser's conjecture,[11][12] the first by László Lovász and the other by Imre Bárány appeared back-to-back in the same issue of the journal.

References
  1. Journal of Combinatorial Theory, Series A - Elsevier
  2. Journal of Combinatorial Theory, Series B - Elsevier
  3. They are acknowledged on the journals' title pages and Web sites. See Editorial board of JCTA; Editorial board of JCTB.
  4. "Combinatorial Theory". math.sfsu.edu. Retrieved 2020-09-14.
  5. "Another mass resignation of an editorial board has happened". Twitter. Retrieved 2020-09-14.
  6. "Combinatorial Theory: a new mathematician-owned and fully open access journal".
  7. "Website of the new journal".
  8. Katona, G.O.H. (1972), "A simple proof of the Erdös-Chao Ko-Rado theorem", Journal of Combinatorial Theory, Series B, 13 (2): 183–184, doi:10.1016/0095-8956(72)90054-8
  9. Robertson, Neil; P.D. Seymour (1983), "Graph Minors. I. Excluding a forest", Journal of Combinatorial Theory, Series B, 35 (1): 39–61, doi:10.1016/0095-8956(83)90079-5
  10. Robertson, Neil; P.D. Seymour (2004), "Graph Minors. XX. Wagner's conjecture", Journal of Combinatorial Theory, Series B, 92 (2): 325–357, doi:10.1016/j.jctb.2004.08.001
  11. Lovász, László (1978), "Kneser's conjecture, chromatic number, and homotopy", Journal of Combinatorial Theory, Series A, 25 (3): 319–324, doi:10.1016/0097-3165(78)90022-5
  12. Bárány, Imre (1978), "A short proof of Kneser's conjecture", Journal of Combinatorial Theory, Series A, 25 (3): 325–326, doi:10.1016/0097-3165(78)90023-7
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