Atomic representations in function spaces and applications to pointwise multipliers and diffeomorphisms, a new approach

Atomic representations in function spaces and applications to pointwise multipliers and diffeomorphisms, a new approach
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函数空间中的原子表示以及点乘法和微分同胚的应用,一种新方法

DOI:
10.1002/mana.201100336
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发表时间:
2011
影响因子:
1
通讯作者:
B. Scharf
B. Scharf
中科院分区:
数学3区
文献类型:
--
作者:
B. Scharf

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在28章的第4章中,Triebel证明了函数空间\documentclass{article}\usepackage{amssymb}\begin{document}\pagestyle{empty}$B^s_{p,Q}(Mathbb{R}^n)$End{Document}和\documentclass{article}\usepackage{amssymb}\begin{document}\pagestyle{empty}$F^{s}_{p,Q}(Mathbb{R}^n)$End{Document}中关于逐点乘子和微分同胚的两个定理。在每种情况下,他都提出了两种方法,一种是通过原子,另一种是通过局部方法。虽然通过原子的方法在长度和简单性方面是非常令人满意的,但只有通过局部方法的相当技术性的方法证明了定理的全部一般性。
In Chapter 4 of 28 Triebel proved two theorems concerning pointwise multipliers and diffeomorphisms in function spaces \documentclass{article}\usepackage{amssymb}\begin{document}\pagestyle{empty}$B^s_{p,q}(\mathbb {R}^n)$\end{document} and \documentclass{article}\usepackage{amssymb}\begin{document}\pagestyle{empty}$F^{s}_{p,q}(\mathbb {R}^n)$\end{document}. In each case he presented two approaches, one via atoms and one via local means. While the approach via atoms was very satisfactory concerning the length and simplicity, only the rather technical approach via local means proved the theorems in full generality.