Hilbert space theory and operator algebras provide a robust framework for analysing linear operators and their spectral properties, which are pivotal in both pure and applied mathematics. Hilbert ...

Synthese, Vol. 186, No. 3, LOGIC MEETS PHYSICS (June 2012), pp. 719-752 (34 pages) Following Birkhoff and von Neumann, quantum logic has traditionally been based on the lattice of closed linear ...

Using the notion of a symmetric virtual diagonal for a Banach algebra, we prove that a Banach algebra is symmetrically amenable if its second dual is symmetrically amenable. We introduce symmetric ...

About the author:Martin Walter is the co-author of the chapter: " An explicit duality for finite groups" and is a professor in the Deparment of Mathematics at the University of Colorado Boulder. Book ...