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Keywords:
infinite dimensional systems; analytic semigroups; unbounded observation operator; admissibility; fractional power
infinite dimensional systems; analytic semigroups; unbounded observation operator; admissibility; fractional power
Summary:
We give a new proof of the Weiss conjecture for analytic semigroups. Our approach does not make any recourse to the bounded $H^{\infty }$-calculus and is based on elementary analysis.
References:
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