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author:

Hou, J. (Hou, J..) [1] | Yang, C. (Yang, C..) [2] | Zeng, Q. (Zeng, Q..) [3]

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Scopus

Abstract:

Given two graphs H and F, the maximum possible number of copies of H in an F-free graph on n vertices is denoted by ex(n,H,F). Let ℓ⋅F denote ℓ vertex disjoint copies of F. Győri and Li (2012) obtained results on ex(n,C3,C2k+1), which was further improved by Alon and Shikhelman (2016). In this paper, we determine the exact value of ex(n,C3,ℓ⋅C2k+1) and its extremal graph for all ℓ≥2 and large n. © 2024 Elsevier B.V.

Keyword:

Cycle Extremal graph Generalized Turán number

Community:

  • [ 1 ] [Hou J.]Center for Discrete Mathematics, Fuzhou University, Fujian, 350003, China
  • [ 2 ] [Yang C.]Center for Discrete Mathematics, Fuzhou University, Fujian, 350003, China
  • [ 3 ] [Zeng Q.]Center for Discrete Mathematics, Fuzhou University, Fujian, 350003, China

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Source :

Discrete Mathematics

ISSN: 0012-365X

Year: 2024

Issue: 7

Volume: 347

0 . 7 0 0

JCR@2023

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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