Abstract
The aim of the present article is to give an introduction to the concept of quasiunitary equivalence and to define several (pseudo-)metrics on the space of selfadjoint operators acting possibly in different Hilbert spaces.
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Post, O., Simmer, J. (2020). A distance between operators acting in different Hilbert spaces and operator convergence. In: Kerner, J., Laasri, H., Mugnolo, D. (eds) Control Theory of Infinite-Dimensional Systems. Operator Theory: Advances and Applications(), vol 277. Birkhäuser, Cham. https://doi.org/10.1007/978-3-030-35898-3_2
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DOI: https://doi.org/10.1007/978-3-030-35898-3_2
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Publisher Name: Birkhäuser, Cham
Print ISBN: 978-3-030-35897-6
Online ISBN: 978-3-030-35898-3
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