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arXiv · 1305.6105

Pairing of Zeros and Critical Points for Random Meromorphic Functions on Riemann Surfaces

Boris Hanin
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Abstract

We prove that zeros and critical points of a random polynomial $p_N$ of degree $N$ in one complex variable appear in pairs. More precisely, if $p_N$ is conditioned to have $p_N(\xi)=0$ for a fixed $\xi \in \C\backslash\set{0},$ we prove that there is a unique critical point z in the annulus $N^{-1-\ep}<\abs{z-\xi}< N^{-1+\ep}}$ and no critical points closer to $\xi$ with probability at least $1-O(N^{-3/2+3\ep}).$ We also prove an analogous statement in the more general setting of random meromorphic functions on a closed Riemann surface.

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BibTeXRIS

Boris Hanin. 2013-05-27. Pairing of Zeros and Critical Points for Random Meromorphic Functions on Riemann Surfaces. https://doi.org/10.4310/mrl.2015.v22.n1.a7

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