On Besov-Hardy-Sobolev spaces of analytic functions in the unit disc
On a priori estimates for positive solutions of a semilinear biharmonic equation in a ball
On a connectedness property of the complements of zeroneighbourhoods in topological vector spaces
On the boundedness of the mapping in Besov spaces
For , precise conditions on the parameters are given under which the particular superposition operator is a bounded map in the Besov space . The proofs rely on linear spline approximation theory.
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