Two Point Function for Critical Points of a Random Plane Wave

Dmitry Beliaev, Valentina Cammarota, Igor Wigman

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Random plane wave is conjectured to be a universal model for high-energy eigenfunctions of the Laplace operator on generic compact Riemannian manifolds. This is known to be true on average. In the present paper we discuss one of important geometric observable: critical points. We first compute one-point function for the critical point process, in particular we compute the expected number of critical points inside any open set. After that we compute the short-range asymptotic behaviour of the two-point function. This gives an unexpected result that the second factorial moment of the number of critical points in a small disc scales as the fourth power of the radius.

Original languageEnglish
Pages (from-to)2661-2689
Number of pages29
JournalInternational Mathematics Research Notices
Volume2019
Issue number9
DOIs
Publication statusPublished - 7 May 2019
Externally publishedYes

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