Dr. Christian Wyss
Universität Paderborn
Fakultät für Elektrotechnik, Informatik und Mathematik
Institut für Mathematik
Warburger Str. 100
33098 Paderborn
Office: D3.316
Phone: +49 (0)5251 60 3241
Email: cwyss[at]math.uni-paderborn.de
Research interests
My primary areas of research are (linear) operator theory and functional analysis.
Keywords are:
- Perturbation theory, spectrum
- Expansion in eigenvectors, invariant subspaces, Riesz bases
- Indefinite inner products
- Riccati equations
- Operator semigroups