Abstract
The subject of this chapter originates in the so-called time-dependent perturbation theory in quantum mechanics, in which the main question is the perturbation of the unitary group generated by a given Hamiltonian due to a small change in the latter. This problem is generalized in a natural way to perturbation theory for semigroups, which is no less important in applications.
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© 1966 Springer Science+Business Media New York
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Kato, T. (1966). Perturbation theory for semigroups of operators. In: Perturbation theory for linear operators. Die Grundlehren der mathematischen Wissenschaften, vol 132. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-12678-3_9
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DOI: https://doi.org/10.1007/978-3-662-12678-3_9
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-662-12680-6
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