Bad news for chordal partitions

Reed and Seymour [1998] asked whether every graph has a partition into induced connected non-empty bipartite subgraphs such that 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 an...

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Бібліографічні деталі
Автори: Scott, A, Seymour, P, Wood, D
Формат: Journal article
Опубліковано: Wiley 2018