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各向异性Sobolev类的表现与逼近

Representation and Approximation of Anisotropic Sobolev Classes
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摘要 通过用一元小波的张量积构造多元小波,给出各向异性Sobolev函数空间的表现定理及小波逼近的渐近估计. The representation theorems and the asymptotic estimates of best approximation of anisotropic Sobolev classes by multivariate wavelet bases formed by tensor products of univariate wavelets are obtained.
作者 蒋艳杰
出处 《河北大学学报(自然科学版)》 CAS 北大核心 2008年第4期357-359,共3页 Journal of Hebei University(Natural Science Edition)
关键词 正则小波 张量积小波 各向异性Sobolev函数空间 regular wavelet wavelet bases formed by tensor products anisotropic Sobolev space
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参考文献5

  • 1DEVORE R A, KONYAGIN S V, TEMLYAKOV V N. Hyperbolic wavelet approximation[J ]. Constructive Approximation, 1998, 14:1-26.
  • 2WANG HEPING. Representation and approximation of multivariate functions with mixed smoothness by hyperbolic wavelets [J]. Journal of Mathematical Analysis and Applications, 2004, 291:698- 715.
  • 3TEML YAKOV V N. Universal bases and greedy algorthms for anisotropic function classes[J ]. Constructive Approximation, 2002,18:529 - 550.
  • 4MARIA SKOPINA. Wavelet approximation of periodic functions[J]. Journal of Approximation Theory, 2000,104:302- 329.
  • 5MEYER Y. Ondelettes et operateurs[ M]. Baris: Hermann, 1990.

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