On the Mazur-Orlicz theorem
A Ford-Fulkerson type theorem concerning vector-valued flows in infinite networks
Automatic continuity of homomorphisms and derivations on algebras of continuous vector-valued functions
The single-valued extension property for sums and products of commuting operators
It is shown that the sum and the product of two commuting Banach space operators with Dunford’s property have the single-valued extension property.
Asymptotic intertwining and spectral inclusions on Banach spaces
The Kato-type spectrum and local spectral theory
Let be a bounded operator on a complex Banach space . If is an open subset of the complex plane such that is of Kato-type for each , then the induced mapping has closed range in the Fréchet space of analytic -valued functions on . Since semi-Fredholm operators are of Kato-type, this generalizes a result of Eschmeier on Fredholm operators and leads to a sharper estimate of Nagy’s spectral residuum of . Our proof is elementary; in particular, we avoid the sheaf model of Eschmeier and...
Flows in infinite networks
An application of fixed-point theory to equilibrium analysis
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