Wednesday, May 22, 2013

1305.4850 (David Borthwick)

Distribution of resonances for hyperbolic surfaces    [PDF]

David Borthwick
We study the distribution of resonances for geometrically finite hyperbolic surfaces of infinite area by countting resonances numerically. The resonances are computed as zeros of the Selberg zeta function, using an algorithm for computation of the zeta function for Schottky groups. Our particular focus is on three aspects of the resonance distribution that have attracted attention recently: the fractal Weyl law, the spectral gap, and the concentration of decay rates.
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