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Displaying similar documents to “Broken-cycle-free subgraphs and the log-concavity conjecture for chromatic polynomials.”

On the Erdős-Gyárfás Conjecture in Claw-Free Graphs

Pouria Salehi Nowbandegani, Hossein Esfandiari, Mohammad Hassan Shirdareh Haghighi, Khodakhast Bibak (2014)

Discussiones Mathematicae Graph Theory

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The Erdős-Gyárfás conjecture states that every graph with minimum degree at least three has a cycle whose length is a power of 2. Since this conjecture has proven to be far from reach, Hobbs asked if the Erdős-Gyárfás conjecture holds in claw-free graphs. In this paper, we obtain some results on this question, in particular for cubic claw-free graphs