An Axiomatic Approach to Function Spaces, Spectral Synthesis, and Luzin Approximation(Memoirs of the American Mathematical Society)

功能空间的公理化方法,谱合成、luzin逼近

泛函分析

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作      者
出版时间
2007年05月30日
装      帧
平装
ISBN
9780821839836
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页      码
97
语      种
英文
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图书简介
The authors define axiomatically a large class of function (or distribution) spaces on (N)-dimensional Euclidean space. The crucial property postulated is the validity of a vector-valued maximal inequality of Fefferman-Stein type. The scales of Besov spaces ((B)-spaces) and Lizorkin-Triebel spaces ((F)-spaces), and as a consequence also Sobolev spaces, and Bessel potential spaces, are included as special cases. The main results of Chapter 1 characterize our spaces by means of local approximations, higher differences, and atomic representations. In Chapters 2 and 3 these results are applied to prove pointwise differentiability outside exceptional sets of zero capacity, an approximation property known as spectral synthesis, a generalization of Whitney’s ideal theorem, and approximation theorems of Luzin (Lusin) type.
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