各向异性Besov光滑函数类的一个极子空间

An Optimal Subspace of Anisotropic Besov Classes of Multivariate Functions

考虑了各向异性 Besov类的样条函数逼近 ,证明了多项式样条函数空间为各向异性 Besov类 Srpθ( Rd)关于无穷维

In discussion of the approximation of multivariate smooth functions by multivariate polynomial spline functions,we prove that multivariate polynomial spline spaces are weak asymptotic optimal subspace of anisotropic Besov classes for the infinite dimensional Kolmogorov width