Bad news for bears

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Bad News for Chordal Partitions

Reed and Seymour [1998] asked whether every graph has a partition into induced connected subgraphs such that each part is bipartite and the quotient graph is chordal. If true, this would have significant ramifications for Hadwiger’s Conjecture. We prove that the answer is ‘no’. In fact, we show that the answer is still ‘no’ for several relaxations of the question.

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ژورنال

عنوان ژورنال: Nature Climate Change

سال: 2008

ISSN: 1758-678X,1758-6798

DOI: 10.1038/climate.2008.141