English

A finite dimensional trace formula

Mathematical Physics 2025-05-22 v1 math.MP Spectral Theory Quantum Physics

Abstract

We take the trace of Von-Neumann's ergodic theorem and get a trace formula of a unitary matrix family. It is an extension of Poisson summation formula in higher dimension. We also construct a family of crystalline measure with complex coefficient.

Keywords

Cite

@article{arxiv.2505.14947,
  title  = {A finite dimensional trace formula},
  author = {Tianhong Zhao},
  journal= {arXiv preprint arXiv:2505.14947},
  year   = {2025}
}
R2 v1 2026-07-01T02:26:53.914Z