most citedA note on Hedetniemi's conjecture, Stahl's conjecture and the Poljak-Rödl function

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math.CO2019★ 3 cited

A note on Hedetniemi's conjecture, Stahl's conjecture and the Poljak-Rödl function

Claude Tardif, Xuding Zhu

We prove that can be arbitrarily large, and that if Stahl's conjecture on the multichromatic number of Kneser graphs holds, then $\min\{χ(G), χ(…