We give two characterizations of the isolated singularities of the local resolvent function of an operator T E L ( X ) at a point z of a complex Banach space X: in terms of a suitable decomposition of x, and in terms of the existence of a sequence in X related with the Laurent series of the local re
✦ LIBER ✦
On the Equality of Resonances (Poles of the Scattering Amplitude) and Virtual Poles
✍ Scribed by B. Bumgärtel; M. Demuth; M. Wollenberg
- Publisher
- John Wiley and Sons
- Year
- 1978
- Tongue
- English
- Weight
- 409 KB
- Volume
- 86
- Category
- Article
- ISSN
- 0025-584X
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