14 citations · 34 across the 20 of their papers we have counts for
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math.NA2017
Chebyshev multivariate polynomial approximation and point reduction procedure
Nadezda Sukhorukova, Julien Ugon, David Yost
The theory of Chebyshev (uniform) approximation for univariate polynomial and piecewise polynomial functions has been studied for decades. The optimality conditions are based on th…
math.FA2017★ 5 cited
A generalisation of de la Vallée-Poussin procedure to multivariate approximations
Nadezda Sukhorukova, Julien Ugon
The theory of Chebyshev approximation has been extensively studied. In most cases, the optimality conditions are based on the notion of alternance or alternating sequence (that is,…