The local circular law II: the edge case
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CitationBourgade, Paul, Horng-Tzer Yau, and Jun Yin. 2013. “The Local Circular Law II: The Edge Case.” Probability Theory and Related Fields 159 (3-4) (July 16): 619–660. doi:10.1007/s00440-013-0516-x.
AbstractIn the first part of this article (Bourgade et al. arXiv:1206.1449, 2012), we proved a local version of the circular law up to the finest scale N−1/2+εN−1/2+ε for non-Hermitian random matrices at any point z∈ℂz∈C with ||z|−1|>c||z|−1|>c for any c>0c>0 independent of the size of the matrix. Under the main assumption that the first three moments of the matrix elements match those of a standard Gaussian random variable after proper rescaling, we extend this result to include the edge case |z|−1=o(1)|z|−1=o(1). Without the vanishing third moment assumption, we prove that the circular law is valid near the spectral edge |z|−1=o(1)|z|−1=o(1) up to scale N−1/4+εN−1/4+ε.
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