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arxiv: 1701.07217 · v3 · pith:KYGR4DQLnew · submitted 2017-01-25 · 🧮 math.CO

Induced subgraphs of graphs with large chromatic number. VIII. Long odd holes

classification 🧮 math.CO
keywords numberchromaticlargeandrascliqueconjectureeverygraph
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We prove a conjecture of Andras Gyarfas, that for all k,t, every graph with clique number at most k and sufficiently large chromatic number has an odd hole of length at least t.

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