# Journal of Computational and Applied Mathematics

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 121-152

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 153-171

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 219-230

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 67-91

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 93-119

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 231-254

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 297-315

_{n}on K with respect to the L

_{q}(μ)-norm, q [1,~), then zero is also a best approximation to f T on T

^{-}

^{1}(K) with respect to the L

_{q}(μ

^{T})-norm, where μ

^{T}arises from μ by the transformation T. In particular, μ ...

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 201-217

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 17-65

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 255-266

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 287-296

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 1-16

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 349-368

^{d}, the standard simplex T

^{d}, and the unit sphere S

^{d}. The main result shows that orthogonal structures and cubature formulae for these three regions are closely related. This provides a way to study the structure of orthogonal polynomials; for example, it allows us to use...

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 267-286

Journal of Computational and Applied Mathematics > 2001 > 127 > 1-2 > 173-199