{ "id": "1407.2780", "version": "v2", "published": "2014-07-10T13:31:02.000Z", "updated": "2014-12-19T14:51:14.000Z", "title": "Rate of Convergence of the Empirical Spectral Distribution Function to the Semi-Circular Law", "authors": [ "F. Götze", "A. N. Tikhomirov" ], "comment": "Abstract shortened. On p. 10 definition of $\\tilde{\\Lambda}^{(j)}_n$ has been changed, followed by appropriate changes in (6.29)-(6.58) etc. arXiv admin note: substantial text overlap with arXiv:1405.7820", "categories": [ "math.PR", "math-ph", "math.MP" ], "abstract": "Let $\\mathbf X=(X_{jk})_{j,k=1}^n$ denote a Hermitian random matrix with entries $X_{jk}$, which are independent for $1\\le j\\le k\\le n$. We consider the rate of convergence of the empirical spectral distribution function of the matrix $\\mathbf W=\\frac1{\\sqrt n}\\mathbf X$ to the semi-circular law assuming that $\\mathbf E X_{jk}=0$, $\\mathbf E X_{jk}^2=1$ and uniformly bounded eight moments. By means of a recursion argument it is shown that the Kolmogorov distance between the empirical spectral distribution of the Wigner matrix $\\mathbf W$ and the semi--circular law is of order $O(n^{-1}\\log^{5}n)$ with high probability.", "revisions": [ { "version": "v1", "updated": "2014-07-10T13:31:02.000Z", "abstract": "Let $\\mathbf X=(X_{jk})_{j,k=1}^n$ denote a Hermitian random matrix with entries $X_{jk}$, which are independent for $1\\le j\\le k\\le n$. We consider the rate of convergence of the empirical spectral distribution function of the matrix $\\mathbf W=\\frac1{\\sqrt n}\\mathbf X$ to the semi-circular law assuming that $\\mathbf E X_{jk}=0$, $\\mathbf E X_{jk}^2=1$ and that \\begin{equation} \\sup_{n\\ge1}\\sup_{1\\le j,k\\le n}\\mathbf E|X_{jk}|^4=: \\mu_4<\\infty \\text{ and } \\sup_{1\\le j,k\\le n}|X_{jk}|\\le Dn^{\\frac14}. \\end{equation} By means of a recursion argument it is shown that the Kolmogorov distance between the empirical spectral distribution of the Wigner matrix $\\mathbf W$ and the semi--circular law is of order $O(n^{-1}\\log^{5}n)$ with high probability.", "comment": "arXiv admin note: substantial text overlap with arXiv:1405.7820", "journal": null, "doi": null, "authors": [ "F. Götze", "A. Tikhomirov" ] }, { "version": "v2", "updated": "2014-12-19T14:51:14.000Z" } ], "analyses": { "subjects": [ "60B20", "15B52" ], "keywords": [ "empirical spectral distribution function", "convergence", "hermitian random matrix", "recursion argument", "kolmogorov distance" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2014arXiv1407.2780G" } } }