The quarter-gap conjecture for random hyperbolic surfaces with cusps
The quarter-gap conjecture for random hyperbolic surfaces with cusps
Let be the moduli space of hyperbolic surfaces of genus with punctures, equipped with the Weil–Petersson probability measure, and let denote the spectrum of a surface . Assume
Quarter-gap conjecture. For every ,
This predicts that the lower bound in the established theorem for the regime can be improved to the Selberg value , analogously to the conjectural optimal spectral gap for closed hyperbolic surfaces. The statement remains open.
Sources & referencesView supporting material
Primary source
Yang Shen and Yunhui Wu, “Arbitrarily small spectral gaps for random hyperbolic surfaces with many cusps”, arXiv:2203.15681 (2025).
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