3 papers
math.OA2026
A class of II factors without non-trivial crossed product decompositions
Adriana Fernández Quero, Adrian Ioana, Hui Tan
We introduce a class of separable II factors admitting no non-trivial crossed product decompositions: , for any trace preserving action $G\curvearr…
math.OA2026
W-superrigidity for property (T) groups with infinite center
Ionuţ Chifan, Adriana Fernández Quero, Denis Osin +1
We propose to study a natural version of Connes' Rigidity Conjecture that involves property (T) groups with infinite center. Utilizing techniques at the intersection of von Neumann…
math.OA2025
Structural and non-isomorphism results for -Araki-Woods factors
Changying Ding, Hui Tan
It is proved that the -Araki-Woods factor $Î_q(\sH_\R, U)''$ associated with a strongly continuous orthogonal representation $U:\R\to \cO(\sH_\R)$ is strongly solid for all $q\…