Abstract
We consider the point process of zeroes of certain Gaussian analytic functions and find the asymptotics for the probability that there are more than m points of the process in a fixed disk of radius r, as \(r\rightarrow \infty\). For the planar Gaussian analytic function, \(\sum_{n \geq 0}\frac{a_n z^n}{\sqrt{n!}}\), we show that this probability is asymptotic to \({e^{-\frac{1}{2}m^2\log(m)}}\). For the hyperbolic Gaussian analytic functions, \({\sum_{n\geq 0}{-\rho \choose n}^{1/2} a_n z^n}, \rho > 0\), we show that this probability decays like \(e^{-cm^2}\).
In the planar case, we also consider the problem posed by Mikhail Sodin2 on moderate and very large deviations in a disk of radius r, as \(r\rightarrow \infty\). We partially solve the problem by showing that there is a qualitative change in the asymptotics of the probability as we move from the large deviation regime to the moderate.
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Research supported by NSF grant #DMS-0104073 and NSF-FRG grant #DMS-0244479.
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Krishnapur, M. Overcrowding estimates for zeroes of Planar and Hyperbolic Gaussian analytic functions. J Stat Phys 124, 1399–1423 (2006). https://doi.org/10.1007/s10955-006-9159-y
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DOI: https://doi.org/10.1007/s10955-006-9159-y