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JOURNALS // Matematicheskii Sbornik // Archive

Mat. Sb. (N.S.), 1980 Volume 112(154), Number 1(5), Pages 56–85 (Mi sm2712)

This article is cited in 24 papers

Imbedding theorems and compactness for spaces of Sobolev type with weights. II

P. I. Lizorkin, M. Otelbaev


Abstract: In this article theorems are established on imbedding and compactness for spaces of functions which are $p$th power summable with weight $\nu$ over the region $\Omega\subset\mathbf R^n$ and whose $m$th derivatives are $p$-summable with weight $\mu$ over $\Omega$. Moreover, necessary and sufficient conditions for the boundedness and compactness of the imbedding operator are obtained in terms of properties of the weight functions. The case of functions vanishing on the boundary is also considered. This article represents a continuation of previous research of the authors.
Bibliography: 2 titles.

UDC: 517.518.23

MSC: 46E35

Received: 25.07.1979


 English version:
Mathematics of the USSR-Sbornik, 1981, 40:1, 51–77

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© Steklov Math. Inst. of RAS, 2024