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math.ST2026
Weighted Estimation by Discrete-time Sparse Domination on Martingale Spaces
Wei Chen, Chaoyue Zhang, Gege Zhang
Lacey used sparse domination to study the sharp weighted norm estimate of the maximal function of predictable multipliers in discrete time filtration spaces. Domelevo, Petermichl,…
math.PR2026
Sharp weighted norm estimates for martingale square functions
Wei Chen, Yong Jiao, Xingyan Quan +1
This paper is devoted to the study of quantitative weighted norm estimates for martingale square functions in both scalar-weighted and matrix-weighted settings. In particular, we i…