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On the invariance of Colin de Verdière's graph parameter under clique sums

✍ Scribed by Hein van der Holst; László Lovász; Alexander Schrijver

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 515 KB
Volume: 226-228
Category: Article
ISSN: 0024-3795
DOI: 10.1016/0024-3795(95)00160-s

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Colin de Verdière matrix Cartesian graph product Kronecker product of matrices Let G be a connected graph with Colin de Verdière number μ(G). We study the behaviour of μ with respect to the Cartesian product of graphs. We conjecture that if where h is the Hadwiger number (i.e. the order of the lar