Spectral estimates and non-selfadjoint perturbations of spheroidal wave operators
✍ Scribed by Finster, Felix; Schmid, Harald
- Book ID
- 118740342
- Publisher
- Walter de Gruyter GmbH & Co. KG
- Year
- 2006
- Tongue
- English
- Weight
- 298 KB
- Volume
- 2006
- Category
- Article
- ISSN
- 0075-4102
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📜 SIMILAR VOLUMES
## Abstract We consider a class of non‐selfadjoint operators generated by the equation and the boundary conditions, which govern small vibrations of an ideal filament with non‐conservative boundary conditions at one end and a heavy load at the other end. The filament has a non‐constant density and
We consider some properties of the spectral expansions related to selfadjoint extensions of the operator Hu -----u" + q(x)u over the whole line R in the case when q(x) is a continuous periodic function (the Hill operator) and in the case when q(x) is a bounded measurable function. This paper gives a