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Bibliographic Details
Main Authors:	Hoang, Cong, Moen, Kabe, Pérez, Carlos
Format:	Preprint
Published:	2024
Subjects:	Classical Analysis and ODEs
Online Access:	https://arxiv.org/abs/2406.13772
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Table of Contents:

We extend the subrepresentation formula $$ |f(x)|\le c_n\,I_1(|\nabla f|)(x) $$ in several ways. First, we consider more general $A_1$-potential operators on the right-hand side and prove local and global pointwise inequalities for these operators. Second, we show that we can improve the right-hand side using fractional derivatives. Finally, we extend our results to rough singular integral operators, similar to the main result in [HMP1].