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math.ST2021
Coherence of high-dimensional random matrices in a Gaussian case : application of the Chen-Stein method
M Boucher, D Chauveau, M Zani
This paper studies the -coherence of a (n x p)-observation matrix in a Gaussian framework. The -coherence is defined as the largest magnitude outside a diagonal bandwith of s…
math.ST2019
Sharp Large Deviations for empirical correlation coefficients
Thi Truong, Marguerite Zani
We study Sharp Large Deviations for Pearson's empirical correlation coefficients in the Spherical and Gaussian cases