English

Semi-classical spectral asymptotics of Toeplitz operators on strictly pseudodonvex domains

Complex Variables 2023-09-06 v2 Analysis of PDEs

Abstract

On a relatively compact strictly pseudoconvex domain with smooth boundary in a complex manifold of dimension nn we consider a Toeplitz operator TRT_R with symbol a Reeb-like vector field RR near the boundary. We show that the kernel of a weighted spectral projection χ(k1TR)\chi(k^{-1}T_R), where χ\chi is a cut-off function with compact support in the positive real line, is a semi-classical Fourier integral operator with complex phase, hence admits a full asymptotic expansion as k+k\to+\infty. More precisely, the restriction to the diagonal χ(k1TR)(x,x)\chi(k^{-1}T_R)(x,x) decays at the rate O(k)O(k^{-\infty}) in the interior and has an asymptotic expansion on the boundary with leading term of order kn+1k^{n+1} expressed in terms of the Levi form and the pairing of the contact form with the vector field RR.

Keywords

Cite

@article{arxiv.2308.09820,
  title  = {Semi-classical spectral asymptotics of Toeplitz operators on strictly pseudodonvex domains},
  author = {Chin-Yu Hsiao and George Marinescu},
  journal= {arXiv preprint arXiv:2308.09820},
  year   = {2023}
}

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17 pages