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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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