Ziwei Li

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20222026

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math.FA2026

Matrix-Weighted Poincaré-Type Inequalities with Applications to Logarithmic Hajłasz--Besov Spaces on Spaces of Homogeneous Type

Ziwei Li, Dachun Yang, Wen Yuan

Let $X$ be a space of homogeneous type. In this article, based on the reducing operators of matrix $A_{p}$ -weights, the authors introduce the vector-valued Hajłasz gradi…

math.FA2022

Pointwise Multipliers for Besov Spaces $B_{p, \infty}^{0, b} (R^{n})$ with Only Logarithmic Smoothness

Ziwei Li, Winfried Sickel, Dachun Yang +1

In this article, we establish a characterization of the set $M (B_{p, \infty}^{0, b} (R^{n}))$ of all pointwise multipliers of Besov spaces $B_{p, \infty}^{0, b} (R^{n})$ wi…

Matrix-Weighted Poincaré-Type Inequalities with Applications to Logarithmic Hajłasz--Besov Spaces on Spaces of Homogeneous Type

Pointwise Multipliers for Besov Spaces Bp,∞0,b​(Rn) with Only Logarithmic Smoothness

Pointwise Multipliers for Besov Spaces $B_{p, \infty}^{0, b} (R^{n})$ with Only Logarithmic Smoothness