The method of resurgent continuation of transseries reveals a new correspondence between the q-series for enumerating degeneracies of quarter-BPS states in supersymmetric black holes and Z^ invariants of Chern-Simons theory on a class of 3 dimensional orientation-reversed manifolds.
@article{arxiv.2603.04619,
title = {The Chern-Simons Natural Boundary and Black Hole Entropy},
author = {Griffen Adams and Gerald V. Dunne},
journal= {arXiv preprint arXiv:2603.04619},
year = {2026}
}