Yangyang Zhang

activity

20182026

most citedBilinear Decomposition and Divergence-Curl Estimates on Products Related to Local Hardy Spaces and Their Dual Spaces

24 citations · 52 across the 22 of their papers we have counts for

collaborators

Showing 2021Show all

6 papers · 1 filter

math.FA2021

Poincaré Inequality Meets Brezis--Van Schaftingen--Yung Formula on Metric Measure Spaces

Feng Dai, Xiaosheng Lin, Dachun Yang +2

Let $(X, ρ, μ)$ be a metric measure space of homogeneous type which supports a certain Poincaré inequality. Denote by the symbol $\mathcal{C}_{\mathrm{c}}^\ast(\mathcal{X…

math.CA2021★ 2 cited

Brezis--Van Schaftingen--Yung Formulae in Ball Banach Function Spaces with Applications to Fractional Sobolev and Gagliardo--Nirenberg Inequalities

Feng Dai, Xiaosheng Lin, Dachun Yang +2

Let $X$ be a ball Banach function space on $R^{n}$ . In this article, under some mild assumptions about both $X$ and the boundedness of the Hardy--Littlewood maximal operato…

math.CA2021

Boundedness of Calderón--Zygmund Operators on Special John--Nirenberg--Campanato and Hardy-Type Spaces via Congruent Cubes

Hongchao Jia, Jin Tao, Dachun Yang +2

Let $p \in [1, \infty]$ , $q \in (1, \infty)$ , $s \in Z_{+} := N \cup {0}$ , and $α \in R$ . In this article, the authors introduce a reasonable version $T$ of…

math.CA2021★ 1 cited

Boundedness of Fractional Integrals on Special John--Nirenberg--Campanato and Hardy-Type Spaces via Congruent Cubes

Hongchao Jia, Jin Tao, Dachun Yang +2

Let $p \in [1, \infty]$ , $q \in [1, \infty)$ , $s \in Z_{+} := N \cup {0}$ , and $α \in R$ . In this article, the authors first find a reasonable version $\widetilde{I}_β…

math.CA2021

Estimates for Littlewood--Paley Operators on Ball Campanato-Type Function Spaces

Hongchao Jia, Dachun Yang, Wen Yuan +1

Let $X$ be a ball quasi-Banach function space on $R^{n}$ and assume that the Hardy--Littlewood maximal operator satisfies the Fefferman--Stein vector-valued maximal inequal…

math.FA2021★ 2 cited

Compactness Characterizations of Commutators on Ball Banach Function Spaces

Jin Tao, Dachun Yang, Wen Yuan +1

Let $X$ be a ball Banach function space on $R^{n}$ . Let $Ω$ be a Lipschitz function on the unit sphere of $R^{n}$ ,which is homogeneous of degree zero and has mean v…