2 papers
math.OA2026
Minimality for noncommutative dynamical systems
Thomas Bray, Erik Séguin
We consider an alternative notion of minimality for C*-dynamical systems, which we refer to as strong minimality. This notion coincides with the usual definition of minimality in t…
math.OA2026
Simplicity of reduced crossed products
Thomas Bray, Matthew Kennedy
We characterize the simplicity of reduced crossed product C*-algebras in terms of stabilizer subgroups. Specifically, we prove that if is a countable group and is a minimal…