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Seminar by G. G. Amosov and A. V. Utkin "Current Problems in the Theory of One-Parameter Semigroups"
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Seminar 8. Perturbations of Semigroups by Operator-Valued Measures G. G. Amosov |
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Abstract: A well-known integral formula describes the perturbation of a semigroup when a bounded operator is added to its generator. But what can be done when the perturbing operator is unbounded and the domain of the original semigroup's generator is altered? This question will be addressed in this session. |
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