A free boundary problem for compressible viscous fluids.
A multiplier in Besov spaces which is not a multiplier in Lebesgue spaces
Algèbres -adiques
Analytic structures on representation spaces of reductive groups.
Corrigendum to the paper "On the reproducing kernel for harmonic functions and the space of Bloch harmonic functions on the unit ball in R^{n}" (Studia Mathematica 87 (1987), 23-32)
Dynamiques recuites de type Feynman-Kac : résultats précis et conjectures
Soit U une fonction définie sur un ensemble fini E muni d'un noyau markovien irréductible M. L'objectif du papier est de comparer théoriquement deux procédures stochastiques de minimisation globale de U : le recuit simulé et un algorithme génétique. Pour ceci on se placera dans la situation idéalisée d'une infinité de particules disponibles et nous ferons une hypothèse commode d'existence de suffisamment de symétries du cadre (E,M,U). On verra notamment que contrairement au recuit simulé, toute...
Numerical Computation of Least Constants for the Sobolev Inequality.
On a generalization of Nikolskij's extension theorem in the case of two variables
A modification of the Nikolskij extension theorem for functions from Sobolev spaces is presented. This modification requires the boundary to be only Lipschitz continuous for an arbitrary ; however, it is restricted to the case of two-dimensional bounded domains.
On a variational approach to existence and multiplicity results for semipositone problems.
On an optimal decomposition in Zygmund spaces.
On the reproducing kernel for harmonic functions and the space of Bloch harmonic functions on the unit ball in
Spaces of sequences, sampling theorem, and functions of exponential type
We introduce certain spaces of sequences which can be used to characterize spaces of functions of exponential type. We present a generalized version of the sampling theorem and a "nonorthogonal wavelet decomposition" for the elements of these spaces of sequences. In particular, we obtain a discrete version of the so-called φ-transform studied in [6] [8]. We also show how these new spaces and the corresponding decompositions can be used to study multiplier operators on Besov spaces.
Topics in dyadic Dirichlet spaces.
Об операторах суперпозиции в пространствах .