Palette-sparsification conjecture for arbitrary palettes

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Let GG be a graph on nn vertices with maximum degree ΔG≤D\Delta_G\leq D. Let Γ\Gamma be an arbitrary color set, let Sv⊆ΓS_v\subseteq\Gamma satisfy ∣Sv∣=D+1|S_v|=D+1 for every vertex vv, and let each LvL_v be a uniformly random ℓ\ell-subset of SvS_v, where

ℓ=(1+ε)log⁡n\ell=(1+\varepsilon)\log n

for fixed ε>0\varepsilon>0.

Palette-sparsification conjecture. The graph GG is LL-colorable with high probability.

This is presented as an expected extension of the paper's main theorem and of the Alon–Assadi framework. The source gives no resolution, so the conjecture remains open.

References

Primary source

Jeff Kahn and Charles Kenney, “Asymptotics for Palette Sparsification”, arXiv:2306.00171 (2023).

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