Higher-degree vanishing-order conjecture

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For integers k≥4k\geq4 and ℓ≥3\ell\geq3 with ℓ<k\ell<k, let FF be a kk-graph. An ℓ\ell-vanishing order of FF is an ordering of V(F)V(F) admitting an ℓ\ell-vanishing coloring with the property that, on every edge, each ℓ\ell-subset of positions receives its corresponding color. Higher-degree vanishing-order conjecture. If

πℓ(F)=0,\pi_\ell(F)=0,

then FF has an ℓ\ell-vanishing order. The proved ℓ=2\ell=2 case motivates this proposed extension to all ℓ≥3\ell\geq3.

References

Primary source

Jiangdong Ai, Laihao Ding, Hong Liu and Haotian Yang, “Vanishing orders, suspensions and zero degree Turán densities”, arXiv:2603.05973 (2026).

Additional references

5 papers in this index state this conjecture (2015–2026). The statement above is taken from the most recent of them; the others are arXiv:2302.08142, arXiv:2212.09819, arXiv:2210.16783, arXiv:1503.06503.

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