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PreprintCC BY 4.0arXiv

Beyond normal fluctuations in local laws for Wigner matrices

Abstract

We identify non-Gaussian corrections to the central limit theorem for the global and local laws, i.e. for Stieltjes transform of the empirical eigenvalue distribution of a large real symmetric or complex Hermitian Wigner matrix. We find that in the real case the rate of convergence in this CLT is substantially slower than in the complex case. For the proofs, we develop new static and dynamic hierarchies of extended cumulants up to any order that can be analyzed by a refinement of the zigzag strategy.

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BibTeX
@misc{erdos2026beyond,
  title = {{Beyond normal fluctuations in local laws for Wigner matrices}},
  author = {László Erdős and Oleksii Kolupaiev},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2609.03924},
  eprint = {2609.03924},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2609.03924},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Beyond normal fluctuations in local laws for Wigner matrices
AU  - László Erdős
AU  - Oleksii Kolupaiev
PY  - 2026
DA  - 2026/09/03
PB  - arXiv
DO  - 10.48550/arxiv.2609.03924
UR  - https://arxiv.org/abs/2609.03924
AB  - We identify non-Gaussian corrections to the central limit theorem for the global and local laws, i.e. for Stieltjes transform of the empirical eigenvalue distribution of a large real symmetric or complex Hermitian Wigner matrix. We find that in the real case the rate of convergence in this CLT is substantially slower than in the complex case. For the proofs, we develop new static and dynamic hierarchies of extended cumulants up to any order that can be analyzed by a refinement of the zigzag strategy.
ER  -