Linear neutral partial differential equations: A semigroup approach.
Towards a "Matrix Theory" for Unbounded Operator Matrices.
A Stone-Weierstrass theorem for Banach lattices
Characteristic equations for the spectrum of generators
Ordnungsstetigkeit in Banachverbänden.
Ideals in Ordered Locally Convex Spaces.
Mittelergodische Halbgruppen linearer Operatoren
A semigroup in , a Banach space, is called mean ergodic, if its closed convex hull in has a zero element. Compact groups, compact abelian semigroups or contractive semigroups on Hilbert spaces are mean ergodic. Banach lattices prove to be a natural frame for further mean ergodic theorems: let be a bounded semigroup of positive operators on a Banach lattice with order continuous norm. is mean ergodic if there is a -subinvariant quasi-interior point of and a -subinvariant...
Cauchy Problems for Polynomial Operator Matrices on Abstract Energy Spaces.
Dilations of Positive Operators: Construction and Ergodic Theory.
Kompaktheit von Integraloperatoren auf Banachverbänden.
Integraldarstellung regulärer Operatoren auf Banachverbänden.
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