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Journal of Approximation Theory

The Journal of Approximation Theory is "devoted to advances in pure and applied approximation theory and related areas."
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2015
2015
Let E be a compact set of positive logarithmic capacity in the complex plane and let { P n ( z ) } 1 ∞ be a sequence of… Expand
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2012
2012
We present results on interpolation and L"1-approximation of periodic functions by trigonometric polynomials and trigonometric… Expand
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2009
2009
Bernstein polynomials are a useful tool for approximating functions. In this paper, we extend the applicability of this operator… Expand
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2009
2009
We determine the exact asymptotic behaviour of entropy and approximation numbers of the limiting restriction operator J:B"p","q… Expand
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2007
2007
In this paper we investigate the L"2-solutions of vector refinement equations with exponentially decaying masks and a general… Expand
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2007
2007
The method developed in Duran and Grunbaum [Orthogonal matrix polynomials satisfying second order differential equations… Expand
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2007
2007
This paper gives upper and lower bounds of the Christoffel-type functions @l"j"n(W^m,m;x),j=m-2,m-4,...,m-2[m/2], for the m… Expand
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2003
2003
We prove that the weak dual greedy algorithm converges in any subspace of a quotient of Lp when 1 < p < ∞. 
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1995
1995
This thesis attempts to quantify the amount of information needed to learn certain tasks. The tasks chosen vary from learning… Expand
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