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Fractional Hardy-Sobolev L1-embedding per capacity-duality
Applied and Computational Harmonic Analysis ( IF 2.6 ) Pub Date : 2020-10-14 , DOI: 10.1016/j.acha.2020.10.001 Liguang Liu , Jie Xiao
中文翻译:
每个容量对数的分数次Hardy-Sobolev L 1嵌入
更新日期:2020-10-30
Applied and Computational Harmonic Analysis ( IF 2.6 ) Pub Date : 2020-10-14 , DOI: 10.1016/j.acha.2020.10.001 Liguang Liu , Jie Xiao
This paper explores essence of the fractional () Hardy-Sobolev -embedding via both capacity and duality based on the Riesz potential operator and the fractional differential couple . Naturally, we discover that if and only if there exists such that in the John-Nirenberg space BMO where is the vector-valued Riesz transform - this equivalence characterizes in the Fefferman-Stein decomposition: and indicates that is a solution to the Bourgain-Brezis problem under : “What are the function spaces , such that every has a decomposition where ?”.
中文翻译:
每个容量对数的分数次Hardy-Sobolev L 1嵌入
本文探讨了分数()哈迪-索伯列夫 -嵌入 通过容量和对偶性基于Riesz势算子 和分数微分对 。自然地,我们发现 当且仅当存在时 这样 在约翰·尼伦伯格空间BMO中 是向量值的Riesz变换-这种等效性表征 在Fefferman-Stein分解中: 并指出 是Bourgain-Brezis问题的解决方案 :“函数空间是什么 ,这样每个 有分解 哪里 ?”。