14 citations · 48 across the 28 of their papers we have counts for
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math.NA2018
Schur functions for approximation problems
Nadezda Sukhorukova, Julien Ugon
In this paper we propose a new approach to least squares approximation problems. This approach is based on partitioning and Schur function. The nature of this approach is combinato…
math.NA2018
Alternance Theorems and Chebyshev Splines Approximation
Jean-Pierre Crouzeix, Nadezda Sukhorukova, Julien Ugon
One of the purposes in this paper is to provide a better understanding of the alternance property which occurs in Chebyshev polynomial approximation and piecewise polynomial approx…