Fractional Bloom boundedness of commutators in spaces of homogeneous type

Zhenbing Gong, Ji Li, Jaakko Sinko

We aim to characterise boundedness of commutators $[b,T]$ of singular integrals $T$. Boundedness is studied between weighted Lebesgue spaces $L^p(X)$ and $L^q(X)$, $p\le q$, when…