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Spectral theory of Volterra-composition operators

✍ Scribed by Alfonso Montes-Rodríguez; Alejandro Rodríguez-Martínez; Stanislav Shkarin


Publisher
Springer-Verlag
Year
2008
Tongue
French
Weight
456 KB
Volume
261
Category
Article
ISSN
0025-5874

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Spectral Theory of Pauli–Fierz Operators
✍ Jan Dereziński; Vojkan Jakšić 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 423 KB

We study spectral properties of Pauli Fierz operators which are commonly used to describe the interaction of a small quantum system with a bosonic free field. We give precise estimates of the location and multiplicity of the singular spectrum of such operators. Applications of these estimates, which