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Unisolvent functions

In mathematics, a collection of n functions f1, f2, ..., fn is unisolvent on domain Ω if the vectors are linearly independent for any choice of n… Expand
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Papers overview

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2020
2020
We consider quasi-polynomial spaces of differential forms defined as weighted (with a positive weight) spaces of differential… Expand
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2019
2019
We present a unified framework for developing and analysing immersed finite element (IFE) spaces for solving typical elliptic… Expand
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2019
2019
The triangular Shepard method, introduced by Little in 1983 [7], is a convex combination of triangular basis functions with… Expand
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2018
2018
We construct and analyze a group of immersed finite element (IFE) spaces formed by linear, bilinear and rotated Q1 polynomials… Expand
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2017
2017
Abstract In this paper we establish the unisolvence of any interlacing pair of rectangular grids of points with respect to a… Expand
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2016
2016
The problem of polynomial interpolation with the Lagrange-type data when using the Bernstein basis instead of the monomial basis… Expand
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2008
2008
The problem of choosing " good " nodes on a given compact set is a central one in multivariate polynomial interpolation. Besides… Expand
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1977
1977
We study the unisolvence and interpolation properties of the reduced Hsieh-Clough-Tocher triangle. This finite element of class… Expand
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1961
1961
1. The first steps toward a theory of nonlinear Tchebycheff approximations were made by T. S. Motzkin [2] and L. Tornheim [4… Expand
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1949
1949
The aim of this paper is to extend theorems on the best approximation of a given function by a polynomial of a given degree, or… Expand
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