W*-superrigidity for arbitrary actions of central quotients of braid groups

Ionut Chifan, Adrian Ioana, Yoshikata Kida

For any $n⩾4$ let ${\tilde{B}}_n=B_n/Z(B_n)$ be the quotient of the braid group $B_n$ through its center. We prove that any free ergodic probability measure preserving (pmp)…