Weighted Admissibility and Wellposedness of Linear Systems in Banach Spaces. - Bernhard H. Haak; Peer Christian Kunstmann (SIAM J. Control. Optim., 2007)

Exact observability, square functions and spectral theory - Bernhard Hermann Haak; El-Maati Ouhabaz (CoRR, 2011)

The stochastic Weiss conjecture for bounded analytic semigroups. - Jamil Abreu; Bernhard H. Haak; Jan van Neerven (J. Lond. Math. Soc., 2013)

Controllability and observability for non-autonomous evolution equations: The averaged Hautus test. - Bernhard H. Haak; Duc-Trung Hoang; El-Maati Ouhabaz (Syst. Control. Lett., 2019)

Exact Observability of a 1-Dimensional Wave Equation on a Noncylindrical Domain. - Bernhard H. Haak; Duc-Trung Hoang (SIAM J. Control. Optim., 2019)