A. Vignati

activity

20172025

C^{*}

-algebras: set theoretical dichotomies in the theory of continuous quotients

6 citations · 6 across the 7 of their papers we have counts for

collaborators

Showing 2022Show all

3 papers · 1 filter

math.OA2022

Operator norm localization property for equi-approximable families of projections

Bruno M. Braga, Ilijas Farah, Alessandro Vignati

The rigidity problem for uniform Roe algebras was recently positively solved. Before its solution was found, there were positive solutions under the assumption of certain technical…

math.OA2022

Fraïssé theory in operator algebras

Alessandro Vignati

We overview the development of Fraïssé theory in the setting of continuous model theory, and some of the its recent applications to $C^{*}$ -algebra theory and functional ana…

math.LO2022

Games on AF-algebras

Ben De Bondt, Andrea Vaccaro, Boban Velickovic +1

We analyze $C^{*}$ -algebras, particularly AF-algebras, and their $K_{0}$ -groups in the context of the infinitary logic $L_{ω_{1} ω}$ . Given two separable unital AF-…