Department of Mechanics and Mathematics, Tbilisi State University, Chavchavadze av. 1, 0128, Tbilisi, Georgia
Abstract:
When Hardy-Littlewood maximal operator is bounded on Lp(⋅)(Rn) space we prove θLp(⋅)(Rn),BMO(Rn)]=Lq(⋅)(Rn) where q(⋅)=p(⋅)/(1−θ) and θLp(⋅)(Rn),H1(Rn)]=Lq(⋅)(Rn) where 1/q(⋅)=θ+(1−θ)/p(⋅).