Complex Function Theory, Operator Theory, Schur Analysis and Systems Theory: A Volume in Honor of V.E. Katsnelson 2020 · ENGLISH · PDF View details →
Quaternionic Closed Operators, Fractional Powers and Fractional Diffusion Processes 2019 · ENGLISH · PDF View details →
Operator Theory, Analysis and the State Space Approach: In Honor of Rien Kaashoek 2018 · ENGLISH · PDF View details →
Spektraltheorie selbstadjungierter Operatoren im Hilbertraum und elliptischer Differentialoperatoren 2019 · GERMAN · PDF View details →