Sciweavers

JAT
2006
46views more  JAT 2006»
13 years 11 months ago
On the Lebesgue constant for the Xu interpolation formula
Len Bos, Stefano De Marchi, Marco Vianello
JAT
2006
88views more  JAT 2006»
13 years 11 months ago
On the value of the max-norm of the orthogonal projector onto splines with multiple knots
The supremum over all knot sequences of the max-norm of the orthogonal spline projector is studied with respect to the order k of the splines and their smoothness. It is first bou...
Simon Foucart
JAT
2006
49views more  JAT 2006»
13 years 11 months ago
On discrete norms of polynomials
Evguenii Rakhmanov, Boris Shekhtman
JAT
2006
73views more  JAT 2006»
13 years 11 months ago
Factorization of multivariate positive Laurent polynomials
Abstract. Recently M. Dritschel proved that any positive multivariate Laurent polynomial can be factorized into a sum of square magnitudes of polynomials. We first give another pro...
Jeffrey S. Geronimo, Ming-Jun Lai
JAT
2006
77views more  JAT 2006»
13 years 11 months ago
On extensions of a theorem of Baxter
We combine the Riemann-Hilbert approach with the techniques of Banach algebras to obtain an extension of Baxter's Theorem for polynomials orthogonal on the unit circle. This ...
Jeffrey S. Geronimo, Andrei Martínez-Finkel...
JAT
2006
69views more  JAT 2006»
13 years 11 months ago
Almost periodic Verblunsky coefficients and reproducing kernels on Riemann surfaces
We give an explicit parametrization of a set of almost periodic CMV matrices whose spectrum (is equal to the absolute continuous spectrum and) is a homogenous set E lying on the u...
Franz Peherstorfer, P. Yuditskii
JAT
2006
67views more  JAT 2006»
13 years 11 months ago
Lieb-Thirring and Bargmann-type inequalities for circular arc
Abstract. For measures on the unit circle with convergent Verblunsky coefficients we find relations in form of inequalities between these coefficients and the distances from mass p...
Leonid Golinskii