Adrian Ioana

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math.OA2026

Amenable absorption in von Neumann algebras of hyperbolic groups

Juan Felipe Ariza Mejia, Ionut Chifan, Adriana Fernandez Quero +1

We prove that the von Neumann algebra $\cL(G)$ associated with any hyperbolic group $G$ satisfies the following \emph{amenable absorption property}: for any infinite maximal amenab…

math.OA2026

A class of II $_{1}$ factors without non-trivial crossed product decompositions

Adriana Fernández Quero, Adrian Ioana, Hui Tan

We introduce a class of separable II $_{1}$ factors $M$ admitting no non-trivial crossed product decompositions: $M \neq ≅ B ⋊_{σ} G$ , for any trace preserving action $G\curvearro…

Amenable absorption in von Neumann algebras of hyperbolic groups

A class of II1​ factors without non-trivial crossed product decompositions

A class of II $_{1}$ factors without non-trivial crossed product decompositions