2 problems

Let $\Gamma_{\mathcal C_0,\eta}$ be the quasi-Fuchsian group associated with the marked Riemann surfaces $\mathcal C_0$ and $\mathcal C=\mathcal C_0^\eta$. Let…

Let $M$ be a closed hyperbolic $3$-manifold. A subgroup of $\pi_1 M$ is quasi-Fuchsian if it is the fundamental group of a quasi-Fuchsian immersed surface in $M$, and a subgroup is…