On a problem concerning ordered colourin
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Louis Caccetta; Rui Zhong Jia
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Article
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1998
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Elsevier Science
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English
⚖ 192 KB
Let G be a connected graph with v(G)>~2 vertices and independence number ~(G). G is critical if for any edge e of G: (i) ~(G -e) > ct(G), if e is not a cut edge of G, and , 2, ife is a cut edge and Gi, G2 are the two components of G-e.