Essential spectrum and local stability condition in hydrodynamics
β Scribed by A. Lifschitz
- Book ID
- 103783579
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 519 KB
- Volume
- 152
- Category
- Article
- ISSN
- 0375-9601
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## Abstract Descloux and Geymonat considered a model problem for a plasma in a toroidal configuration and conjectured that the essential spectrum has an explicitly given band structure. This conjecture was recently proved by Faierman, Mennicken, and MΓΆller by employing an operator matrix representa
We discuss the spectral properties of collisional semigroups associated to various models from transport theory by exploiting the links between the so-called resolvent approach and the semigroup approach. Precisely, we show that the essential spectrum of the full transport semigroup coincides with t