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Article
The size of graphs with clique number m and without nowhere-zero 4-flows
Discrete Mathematics (1997)
  • Zhi-Hong Chen
Abstract
Let G be a 2-edge-connected simple graph on n⩾24 vertices containng no Km+1. Of

|E(G)|⩾(n - 17 - k2)+(m - l)(k + 12)+ 33,

where ⌊n−17/m⌋, then either G has a nowhere-zero 4-flow, or G can be contracted to the Petersen graph. This is a generalization of a result in [4].
Keywords
  • Computer science,
  • Mathematics,
  • Graph theory
Disciplines
Publication Date
January, 1997
DOI
https://doi.org/10.1016/0012-365X(95)00341-S
Publisher Statement
Note: full-text not available due to publisher restrictions. Link takes you to an external site where you can purchase the article or borrow it from a local library.
Citation Information
Zhi-Hong Chen. "The size of graphs with clique number m and without nowhere-zero 4-flows" Discrete Mathematics Vol. 163 Iss. 1-3 (1997) p. 247 - 249 ISSN: 0012-365X
Available at: http://works.bepress.com/zhi_hong_chen/47/