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math.AP2009
Control of Volterra systems with scalar kernels
Bernhard Hermann Haak, Birgit Jacob
Volterra observations systems with scalar kernels are studied. New sufficient conditions for admissibility of observation operators are developed. The obtained results are applied…
math.AP2007★ 12 cited
On Kato's method for Navier--Stokes Equations
Bernhard H. Haak, Peer-Christian Kunstmann
We investigate Kato's method for parabolic equations with a quadratic non-linearity in an abstract form. We extract several properties known from linear systems theory which turn o…