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On the limit-classifications of even and odd-order formally symmetric differential expressions

โœ Scribed by K. V. Alice; V. Krishna Kumar; A. Padmanabhan


Publisher
Indian Academy of Sciences
Year
2004
Tongue
English
Weight
186 KB
Volume
114
Category
Article
ISSN
0253-4142

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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