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Spectral analysis of large dimensional Chatterjee's rank ...
[Submitted on 8 Oct 2025 (v1), last revised 30 Jun 2026 (this ve · 2025-10-09 · via stat updates on arXiv.org

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Abstract:This paper studies the spectral behavior of large dimensional Chatterjee's rank correlation matrix when observations are independent draws from a high-dimensional random vector with independent continuous components. Limits for the empirical spectral distributions of its two symmetrized versions are established in the proportional high-dimensional regime, one of them being the semicircle law, thereby giving a first example of a correlation matrix with a non-Marchenko--Pastur spectral limit, in contrast to the Pearson, Kendall, and Spearman cases. We further establish central limit theorems for linear spectral statistics of the symmetrized matrices. As an important application of this theory, we develop Chatterjee's rank correlation-based tests for the complete independence among the components.

Submission history

From: Zhaorui Dong [view email]
[v1] Wed, 8 Oct 2025 17:23:55 UTC (168 KB)
[v2] Tue, 30 Jun 2026 06:28:34 UTC (249 KB)