2 problems

Let $T$ be a sparse operator, let $1<p<q<\infty$, and let $\mathcal{D}_{p,p}$ and $\mathcal{D}^{\ast}_{p,p}$ denote the corresponding direct comparison bump quantities for the case…

Bump conjecture. There is a constant $C>0$, independent of $w$ and $\sigma$, such that