A survey of chi-boundedness

If a graph has bounded clique number and sufficiently large chromatic number, what can we say about its induced subgraphs? András Gyárfás made a number of challenging conjectures about this in the early 1980s, which have remained open until recently; but in the last few years there has been substant...

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Bibliographic Details
Main Authors: Scott, A, Seymour, P
Format: Journal article
Language:English
Published: Wiley 2020