3 papers
math.FA2026
Twisted crossed products of Banach algebras
Alonso DelfÃn, Carla Farsi, Judith Packer
Given a locally compact group , a nondegenerate Banach algebra with a contractive approximate identity, a twisted action of on , and a family …
math.FA2025
-spectral triples and -quantum compact metric spaces
Alonso DelfÃn, Carla Farsi, Judith Packer
For , we generalize the concept of classical spectral triples by extending the framework from Hilbert spaces to -spaces, and from C*-algebras to -opera…
math.FA2025
-modules and -correspondences
Alonso DelfÃn
We introduce an -operator algebraic analogue of Hilbert C*- modules. We present the theory of concrete -modules, their morphisms, and basic constructions including counta…