3 papers
math.OA2026
Fell bundles and Haagerup properties
Erik Bédos, Roberto Conti, Lyudmila Turowska
We introduce new properties of Haagerup-type for Fell bundles over discrete groups and discuss their relationship with Haagerup properties for the associated -algebras. In par…
math.OA2025
On Strict Higher C*-categories
Paolo Bertozzini, Roberto Conti, Wicharn Lewkeeratiyutkul +1
We provide definitions for strict involutive higher categories (a vertical categorification of dagger categories), strict higher C*-categories and higher Fell bundles (over arbitra…
math.OA2024
Heat properties for groups
Erik Bédos, Roberto Conti
We revisit Fourier's approach to solve the heat equation on the circle in the context of (twisted) reduced group C*-algebras, convergence of Fourier series and semigroups associate…