Abstract
The purpose of the present paper is to establish moderate deviation principles for a rather general class of random variables fulfilling certain bounds of the cumulants. We apply a celebrated lemma of the theory of large deviations probabilities due to Rudzkis, Saulis, and Statulevičius. The examples of random objects we treat include dependency graphs, subgraph-counting statistics in Erdös–Rényi random graphs and U-statistics. Moreover, we prove moderate deviation principles for certain statistics appearing in random matrix theory, namely characteristic polynomials of random unitary matrices and the number of particles in a growing box of random determinantal point processes such as the number of eigenvalues in the GUE or the number of points in Airy, Bessel, and sine random point fields.
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Acknowledgements
Both authors have been supported by Deutsche Forschungsgemeinschaft via SFB/TR 12. The first author was supported by the international research training group 1339 of the DFG.
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Dedicated to the memory of Tomasz Schreiber.
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Döring, H., Eichelsbacher, P. Moderate Deviations via Cumulants. J Theor Probab 26, 360–385 (2013). https://doi.org/10.1007/s10959-012-0437-0
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DOI: https://doi.org/10.1007/s10959-012-0437-0
Keywords
- Moderate deviations
- Cumulants
- Large deviation probabilities
- Dependency graphs
- Random graphs
- U-statistics
- Characteristic polynomials
- Random matrix ensembles
- Determinantal point processes