38 citations · 237 across the 33 of their papers we have counts for
4 papers · 1 filter
A Logvinenko-Sereda theorem for vector-valued functions and application to control theory
Clemens Bombach, Martin Tautenhahn
We prove a Logvinenko-Sereda Theorem for vector valued functions. That is, for an arbitrary Banach space , all , all , all $f \in L^p (\math…
Observability for Non-autonomous Systems
Clemens Bombach, Fabian Gabel, Christian Seifert +1
We study non-autonomous observation systems \begin{align*} \dot{x}(t) = A(t) x(t),\quad y(t) = C(t) x(t),\quad x(0) = x_0\in X, \end{align*} where is a strongly measurable…
Observability and null-controllability for parabolic equations in -spaces
Clemens Bombach, Dennis Gallaun, Christian Seifert +1
We study (approximate) null-controllability of parabolic equations in and provide explicit bounds on the control cost. In particular we consider systems of the…
Sufficient criteria and sharp geometric conditions for observability in Banach spaces
Dennis Gallaun, Christian Seifert, Martin Tautenhahn
Let be Banach spaces, a -semigroup on , the corresponding infinitesimal generator on , a bounded linear operator from to , and $…