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Interpolation of Spaces of Functions of Positive Smoothness on a Domain
Proceedings of the Steklov Institute of Mathematics ( IF 0.4 ) Pub Date : 2021-04-22 , DOI: 10.1134/s0081543821010053 O. V. Besov
中文翻译:
域上正光滑函数空间的插值
更新日期:2021-04-23
Proceedings of the Steklov Institute of Mathematics ( IF 0.4 ) Pub Date : 2021-04-22 , DOI: 10.1134/s0081543821010053 O. V. Besov
Abstract
Interpolation spaces are described for spaces of functions of positive smoothness on a domain \(G\) of the Euclidean space \(\mathbb R^n\) that satisfies the flexible cone condition. As a consequence, multiplicative estimates for the norms of functions are obtained. The arguments are based on integral representations of functions over a flexible cone in terms of the local approximations of functions by polynomials and on estimates of the arising convolution operators.
中文翻译:
域上正光滑函数空间的插值
摘要
描述了在满足弹性锥条件的欧氏空间\(\ mathbb R ^ n \)的域\(G \)上的正光滑函数空间的插值空间。结果,获得了函数范数的乘法估计。自变量基于多项式对函数的局部近似以及对出现的卷积算符的估计,基于函数在圆锥上的积分表示。