Hytönen–Lacey one-supremum conjecture for Calderón–Zygmund operators

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Let TT be a Calderón–Zygmund operator, let ww and σ\sigma be weights, and let 1<p<∞1<p<\infty. For a cube QQ, write ⟨w⟩Q\langle w\rangle_Q and ⟨σ⟩Q\langle \sigma\rangle_Q for the averages over QQ, and define, for any weight vv,

A∞(v,Q):=1v(Q)∫QM(vχQ)(x),dx.A_\infty(v,Q):= \frac{1}{v(Q)}\int_Q M(v\chi_Q)(x)\\,dx.

Hytönen–Lacey one-supremum conjecture. The estimate

∣T(⋅σ)∣Lp(σ)→Lp(w)≲sup⁡Q⟨w⟩Q1p⟨σ⟩Q1p′(A∞(w,Q)1p′+A∞(σ,Q)1p)\\|T(\cdot\sigma)\\|_{L^p(\sigma)\rightarrow L^p(w)}\lesssim \sup_Q \langle w\rangle_Q^{\frac 1p}\langle \sigma\rangle_Q^{\frac 1{p'}}\left(A_\infty(w,Q)^{\frac 1{p'}}+A_\infty(\sigma,Q)^{\frac 1p}\right)

should hold. This is a proposed one-supremum strengthening of mixed ApA_p–A∞A_\infty bounds; the supplied text gives no resolution status.

References

Primary source

Kangwei Li, “Two weight inequalities for bilinear forms”, arXiv:1511.07250 (2016).

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