INTERPOLATION OF NULLSPACES OF DIFFERENTI AL-OPERATORS WITH APPLICATION TO SPECTRAL METHODS

Citation
C. Bernardi et al., INTERPOLATION OF NULLSPACES OF DIFFERENTI AL-OPERATORS WITH APPLICATION TO SPECTRAL METHODS, Comptes rendus de l'Academie des sciences. Serie 1, Mathematique, 318(4), 1994, pp. 373-378
Citations number
8
Categorie Soggetti
Mathematics, General",Mathematics
ISSN journal
07644442
Volume
318
Issue
4
Year of publication
1994
Pages
373 - 378
Database
ISI
SICI code
0764-4442(1994)318:4<373:IONODA>2.0.ZU;2-T
Abstract
We present some results concerning the interpolation of nullspaces of the same differential operator in Sobolev spaces of different orders, with or without boundary conditions. As an application, we derive the optimal approximation of divergence-free functions by high degree dive rgence-free polynomials.