Dominance of the continuous spectrum for random hyperbolic surfaces of large genus
Dominance of the continuous spectrum for random hyperbolic surfaces of large genus
Let be the probability measure on hyperbolic surfaces of genus with cusps, and let be a random surface. Assume that as , and let be a compact interval. Denote by and the discrete and continuous spectral contributions in the interval , respectively. Dominance of the continuous spectrum. With high probability as ,
This would show that the continuous part of the spectrum is generically dominant for random hyperbolic surfaces of large genus, making the quantum ergodicity result primarily an equidistribution theorem for Eisenstein series. As far as the authors know, this problem is open.
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Primary source
Etienne Le Masson and Tuomas Sahlsten, “Quantum ergodicity for Eisenstein series on hyperbolic surfaces of large genus”, arXiv:2006.14935 (2023).
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