I. Chifan

activity

20062026

most citedOn the structural theory of II_1 factors of negatively curved groups, II: Actions by product groups

55 citations · 354 across the 38 of their papers we have counts for

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math.OA2025

Property (T) group factors whose Jones index set equals all positive integers

Ionut Chifan, Junhwi Lim

Using a mélange of techniques at the rich intersection of deformation/rigidity theory, finite index subfactor theory, and geometric group theory, we prove the existence of a contin…

math.OA2025

Relative solidity results and their applications to computations of some II $_{1}$ factor invariants

Juan Felipe Ariza Mejia, Dulanji Nikethani Amaraweera, Ionut Chifan +1

In this paper we prove that whenever $G$ is hyperbolic relative to a family of exact, ressidually finite subgroups ${H_{1}, \dots, H_{n}}$ , the corresponding von Neumann algebra $\m…

Property (T) group factors whose Jones index set equals all positive integers

Relative solidity results and their applications to computations of some II1​ factor invariants

Relative solidity results and their applications to computations of some II $_{1}$ factor invariants