Correlations between zeros and critical points of random analytic functions
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Abstract:
We study the two-point correlation $K^m_n(z,w)$ between zeros and critical points of Gaussian random holomorphic sections $s_n$ over Kähler manifolds. The critical points are points $\nabla _{h^n} s_n=0$, where $\nabla _{h^n}$ is the smooth Chern connection with respect to the Hermitian metric $h^n$ on line bundle $L^n$. The main result is that the rescaling limit of $K^m_n(z_0+\frac u{\sqrt n}, z_0+\frac v{\sqrt n})$ for any $z_0\in M$ is universal as $n$ tends to infinity. In fact, the universal rescaling limit is the two-point correlation between zeros and critical points of Gaussian analytic functions for the Bargmann–Fock space of level $1$. Furthermore, in the length scale of order $n^{-\frac 12}$, there is a “repulsion" between zeros and critical points for the short range, and a “neutrality" for the long range.References
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Additional Information
- Renjie Feng
- Affiliation: Beijing International Center for Mathematical Research, Peking University, Beijing, People’s Republic of China
- MR Author ID: 939975
- Email: renjie@math.pku.edu.cn
- Received by editor(s): July 31, 2016
- Received by editor(s) in revised form: April 15, 2017, and June 12, 2017
- Published electronically: January 8, 2019
- © Copyright 2019 American Mathematical Society
- Journal: Trans. Amer. Math. Soc. 371 (2019), 5247-5265
- MSC (2010): Primary 60D05; Secondary 32Q15
- DOI: https://doi.org/10.1090/tran/7322
- MathSciNet review: 3937291