3 problems

A finite-volume hyperbolic manifold is a quotient of real hyperbolic space by a group of isometries acting freely and properly discontinuously. RFRS hyperbolic virtual fibring conj…

A finite-volume hyperbolic manifold is a quotient of real hyperbolic space by a group of isometries acting freely and properly discontinuously. Odd-dimensional hyperbolic virtual f…

Let $M$ be a closed aspherical manifold with RFRS fundamental group $G=\pi_1(M)$, and let $\beta_i^{(2)}(G;\mathbb K)$ denote the $i$th $L^2$-Betti number with coefficients in a fi…