Spektraltheorie stetiger Endomorphismen eines lokal-konvexen Raumes.
Multi-Dimensional Spectral Theory of Bounded Linear Operators in Locally Convex Spaces.
Strictly Cosingular Operators on (DF)-Spaces.
Stability and spectra of C0-semigroups.
Beschränkte Operatoren: Bemerkungen zu einer Arbeit von P. Uss
The boundary of Taylor's joint spectrum for two commuting Banach space operators
Tensor products of linear operators in locally convex spaces
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