English

Induced Fubini-Study metrics on strictly pseudoconvex CR manifolds and zeros of random CR functions

Complex Variables 2024-01-18 v1 Analysis of PDEs Differential Geometry Probability

Abstract

Let XX be a compact strictly pseudoconvex embeddable Cauchy-Riemann manifold and let TPT_P be the Toeplitz operator on XX associated with a first-order pseudodifferential operator PP. In our previous work we established the asymptotic expansion for kk large of the kernel of the operators χ(k1TP)\chi(k^{-1}T_P), where χ\chi is a smooth cut-off function supported in the positive real line. By using these asymptotics, we show in this paper that XX can be projectively embedded by maps with components of the form χ(k1λ)fλ\chi(k^{-1}\lambda)f_\lambda, where λ\lambda is an eigenvalue of TPT_P and fλf_\lambda is a corresponding eigenfunction. We establish the asymptotics of the pull-back of the Fubini-Study metric by these maps and we obtain the distribution of the zero divisors of random Cauchy-Riemann functions. We then establish a version of the Lelong-Poincar\'e formula for domains with boundary and obtain the distribution of the zero divisors of random holomorphic functions on strictly pseudoconvex domains.

Keywords

Cite

@article{arxiv.2401.09143,
  title  = {Induced Fubini-Study metrics on strictly pseudoconvex CR manifolds and zeros of random CR functions},
  author = {Hendrik Herrmann and Chin-Yu Hsiao and George Marinescu and Wei-Chuan Shen},
  journal= {arXiv preprint arXiv:2401.09143},
  year   = {2024}
}

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63 pages