Generalized degree-power star conjecture for t-intersecting families

Let 1tk1\leq t\leq k, 1rk11\leq r\leq k-1, and let p2p\geq2 be real. Suppose that

n(t+1)(kt+1).n\geq(t+1)(k-t+1).

If F([n]k)\mathcal F\subseteq\binom{[n]}k is tt-intersecting, then, for every T([n]t)T\in\binom{[n]}t, define r,p(F)\ell_{r,p}(\mathcal F) as the degree-power quantity used in the paper. Generalized degree-power star conjecture.

r,p(F)r,p(ST).\ell_{r,p}(\mathcal F)\leq\ell_{r,p}(\mathcal S_T).

This conjecture simultaneously extends the cases r=k1r=k-1 and t=1t=1, established in the paper. Its parameter range is the sharp classical star range associated with Wilson's theorem and the Ahlswede--Khachatrian complete intersection theorem; the restriction p2p\geq2 is essential, as the paper gives a counterexample for 1<p<21<p<2.

Sources & referencesView supporting material

Primary source

Mengyu Cao, Mei Lu and Haixiang Zhang, “Convex Transference for Degree Powers in Extremal Set Systems”, arXiv:2607.28616 (2026).

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