Noncommutative Borsuk-Ulam-type conjectures revisited

Ludwik Dąbrowski, Piotr M. Hajac, Sergey Neshveyev

Let $H$ be the C*-algebra of a non-trivial compact quantum group acting freely on a unital C*-algebra $A$. It was recently conjectured that there does not exist an equivariant $\ast$-…