Mathematical Inequalities & Applications · Volume 24, Issue 4 Weighted estimates and compactness of variation operators 24-65 Pages 933-953 DOI 10.7153/mia-2021-24-65 Downloads Short PDF Full PDF PNG Authors Yongming Wen Quanqing Fang Xianming Hou Keywords variation endpoint estimate Cq estimate commutators compactness Subject classes 42B25 42B35 47B47