Universidad de La Rioja

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19952026

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math.FA2005★ 3 cited

Heat and Poisson semigroups for Fourier-Neumann expansions

J. J. Betancor, O. Ciaurri, T. Martínez +3

Given $α > - 1$ , consider the second order differential operator in $(0, \infty)$ , $L_{α} f \equiv (x^{2} \frac{d ^{2}}{d x ^{2}} + (2 α + 3) x \frac{d}{d x} + x^{2} + (α + 1)^{2}) (f),$ which appears in…

math.CA2005★ 6 cited

Fourier-Padé approximants for Angelesco systems

M. Bello-Hernández, G. López-Lagimasino, J. Mínguez-Ceniceros

In this paper we study linear and non-linear Fourier-Padé approximation for Angelesco systems of functions. This construction is similar to that of Hermite-Padé approximation. Inst…

math.RA2005

The Kac Jordan superalgebra: automorphisms and maximal subalgebras

Alberto Elduque, Jesus Laliena, Sara Sacristan

The group of automorphisms of the Kac Jordan superalgebra is described, and used to classify the maximal subalgebras.

math.CA2005

Dimension dependency of the weak type $(1, 1)$ bounds for maximal functions associated to finite radial measures

J. M. Aldaz

We show that the best constants appearing in the weak type (1,1) inequalities satisfied by the centered Hardy-Littlewood maximal function associated to some finite radial measures,…

Heat and Poisson semigroups for Fourier-Neumann expansions

Fourier-Padé approximants for Angelesco systems

The Kac Jordan superalgebra: automorphisms and maximal subalgebras

Dimension dependency of the weak type (1,1) bounds for maximal functions associated to finite radial measures

Dimension dependency of the weak type $(1, 1)$ bounds for maximal functions associated to finite radial measures