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On the Deficiency Indices of Powers of Real 2nth-Order Symmetric Differential Expressions

โœ Scribed by Evans, W. D.; Zettl, A.

Book ID
120096290
Publisher
Oxford University Press
Year
1976
Tongue
English
Weight
288 KB
Volume
s2-13
Category
Article
ISSN
0024-6107

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๐Ÿ“œ SIMILAR VOLUMES

On the deficiency index of even order sy
On the deficiency index of even order symmetric differential expressions with essential spectrum
โœ Marian P. Roque; Bernd Schultze ๐Ÿ“‚ Article ๐Ÿ“… 2011 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 96 KB

## Abstract It shall be shown that for every __n__, \documentclass{article}\usepackage{amssymb}\pagestyle{empty}\begin{document}$k \in \mathbb {N}$\end{document} with __n__ โฉฝ __k__ < 2__n__, there exist real symmetric differential expressions __M__ of order 2__n__ with nonempty essential spectrum s