The center of an algebra of operators
The generalized Cauchy equation for operator-valued functions.
The generalized Cauchy equation for operator-valued functions. (Short Communication).
The Second Half-With a Quarter of a Century Delay
We show how results by Diekmann et al. (2007) on the qualitative behaviour of solutions of delay equations apply directly to a resource-consumer model with age-structured consumer population.
Über Boolesche Algebren von Projektionen.
О некоторых цепочках проекторов в Гильбертовом пространстве