Linear weighted bounds for the Beurling-type operators BmB^m

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Let BmB^m denote the mmth operator in the family considered in the paper, and let w∈A2w\in A_2 with classical A2A_2 characteristic [w]A2[w]_{A_2}. Linear A2A_2 conjecture for BmB^m. For every w∈A2w\in A_2, one has

∥Bmf∥L2(w)≤C m⋅[w]A2∥f∥L2(w).\|B^mf\|_{L^2(w)}\le C\,m\cdot [w]_{A_2}\|f\|_{L^2(w)}.

This is the specialization of the preceding rough-singular-integral conjecture to BmB^m. The stated bound removes the additional logarithmic or weight-dependent factor from the proven estimates, while retaining the linear dependence on mm; its resolution is not specified in the source.

References

Primary source

Tuomas P. Hytönen, L. Roncal and Olli Tapiola, “Quantitative weighted estimates for rough homogeneous singular integrals”, arXiv:1510.05789 (2015).

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