Lorenzo Ruffoni (with Sami Douba, Gye-Seon Lee, and Ludovic Marquis) has had the paper “Convex cocompact groups in real hyperbolic spaces with limit set a Pontryagin sphere” accepted for publication in the Bulletin of the London Mathematical Society.

A preprint is available here: arXiv:2502.09470.

Related visualizations of a Pontryagin-sphere limit set: Pontryagin sphere images/animations.