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On local minimality of Hausdorff dimension for round limit sets
Abstract
We address a question of Canary--Taylor and Canary--Minsky--Taylor for sufficiently symmetric compact hyperbolic $3$-orbifolds with totally geodesic boundary. We give sufficient conditions on the symmetries of such an orbifold to show that, among the complete convex cocompact structures on the interior, the structure with Fuchsian ends is a critical point (respectively, a strict local minimum) for the critical exponent. We also provide an infinite family of non-rigid examples fulfilling these conditions.
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BibTeX
@misc{douba2026local,
title = {{On local minimality of Hausdorff dimension for round limit sets}},
author = {Sami Douba and Andrés Sambarino and Franco Vargas Pallete},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2610.20358},
eprint = {2610.20358},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2610.20358},
}
RIS
TY - UNPB
TI - On local minimality of Hausdorff dimension for round limit sets
AU - Sami Douba
AU - Andrés Sambarino
AU - Franco Vargas Pallete
PY - 2026
DA - 2026/10/14
PB - arXiv
DO - 10.48550/arxiv.2610.20358
UR - https://arxiv.org/abs/2610.20358
AB - We address a question of Canary--Taylor and Canary--Minsky--Taylor for sufficiently symmetric compact hyperbolic $3$-orbifolds with totally geodesic boundary. We give sufficient conditions on the symmetries of such an orbifold to show that, among the complete convex cocompact structures on the interior, the structure with Fuchsian ends is a critical point (respectively, a strict local minimum) for the critical exponent. We also provide an infinite family of non-rigid examples fulfilling these conditions.
ER -