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Elliptic pseudodifferential operators in the improved scale of spaces on a closed manifold

โœ Scribed by A. A. Murach


Publisher
Springer
Year
2007
Tongue
English
Weight
195 KB
Volume
59
Category
Article
ISSN
0041-5995

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On the index of degenerate pseudodiffere
โœ Johannes Elschner ๐Ÿ“‚ Article ๐Ÿ“… 1982 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 670 KB

## Abstract We consider a class of degenerate classical pseudodifferential operators on a closed curve and compute their index in Sobolev spaces. The index is expressed as a winding number by means of the principal and the subprincipal symbol. Furthermore, applications to the smoothness of solution