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math.OA2023
Stable and real rank for crossed products by finite groups
Parisa Elyasi, Nasser Golestani
A long-standing open question in the theory of group actions on C*-algebras is the stable rank of the crossed product. Specifically, N. C. Phillips asked that if a finite group …
math.DS2023
Topological Factoring of Zero Dimensional Dynamical Systems
Nasser Golestani, Maryam Hosseini, Hamed Yahya Oghli
We show that every topological factoring between two zero dimensional dynamical systems can be represented by a sequence of morphisms between the levels of the associated ordered B…