Admissible observation operators. Semigroup criteria of admissibility |
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| Authors: | Piotr Grabowski Frank M. Callier |
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| Affiliation: | (1) Department of Mathematics, Facultés Universitaires Notre-Dame de la Paix, 8, Rempart de la Vierge, B-5000 Namur, Belgium |
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| Abstract: | ![]()
We investigate admissible observation operators. Semigroup criteria of admissibility are derived. We also discuss the recent Russell-Weiss necessity condition of exact observability.This work was done when the first author was on leave from: Institute of Automatics Academy of Mining and Metallurgy al. Mickiewicza 30/B1, rm.314 PL-30-059 Cracow, Poland |
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| Keywords: | Primary: 93B 47D Secondary: 35A 34G |
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