Dr. Christian Wyss
University of Wuppertal
School of Mathematics and Natural Sciences
IMACM
Workgroup Functional Analysis
Gaußstraße 20
D-42119 Wuppertal
Germany
Contact
Office: G.15.03
Phone: +49(0)202 439 2520
E-Mail: wyss[at]math.uni-wuppertal.de
Research interests
Functional analysis
Operator theory
Indefinite inner products
Mathematical systems theory
Keywords:
- Perturbation theory, spectrum
- Expansion in eigenvectors, invariant subspaces, Riesz bases
- Riccati equations, Hamiltonian matrices
