Asymptotic properties of resolvents of large dilute Wigner matrices

Details Asymptotic properties of resolvents of large dilute Wigner matrices Asymptotic properties of resolvents of large dilute Wigner matrices

2009-04-17

arxiv.org/abs/0904.2689v2

Reports on Mathematical Physics, Vol. 65 (2010) 297-335

Physics

Mathematical Physics

37 pages; corrected and imroved version

Scientific paper

We study the spectral properties of the dilute Wigner random real symmetric n-dimensional matrices H such that the entries H(i,j) take zero value with probability 1-p/n. We prove that under rather general conditions on the probability distribution of H(i,j) the semicircle law is valid for the dilute Wigner ensemble in the limit of infinite n and p. In the second part of the paper we study the leading term of the correlation function of the resolvent G(z) of H with large enough Im z in the limit of infinite n and p such that 3/5 log n

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