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2017

2017

It is shown that two conditions $f(a + \cdot) - f(\cdot) \in L^p(R)$, and $(\sin b \cdot) f(\cdot) \in L^p(R)$ guarantee $f \in L… Expand

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

2015

2015

We study the inequality between the uniform norm of the derivative of an algebraic polynomial of degree n and the integral norm… Expand

2012

2012

We present results on interpolation and L"1-approximation of periodic functions by trigonometric polynomials and trigonometric… Expand

2010

2010

It is well known that for any bounded Lipschitz graph domain Ω⊂Rd, r≥1 and 1≤p≤∞ there exist constants C1(d,r),C2(Ω,d,r,p)>0 such… Expand

2007

2007

The method developed in Duran and Grunbaum [Orthogonal matrix polynomials satisfying second order differential equations… Expand

2007

2007

In this paper we investigate the L"2-solutions of vector refinement equations with exponentially decaying masks and a general… Expand

2004

2004

Recently Denisov (aka Dennisov) (Proc. Amer. Math. Soc.) has proved the following remarkable extension of Rakhmanov's theorem… Expand

2003

2003

Cette these porte sur la restauration des signaux bruites observes sur des plans d'experience aleatoires. Trois methodes sont… Expand

2003

2003

We prove that the weak dual greedy algorithm converges in any subspace of a quotient of Lp when 1 < p < ∞.