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On Optimal Separation of Eigenvalues for a Quasiperiodic Jacobi Matrix

Spectral Theory 2015-06-11 v2 Mathematical Physics math.MP

Abstract

We consider quasiperiodic Jacobi matrices of size N with analytic coefficients. We show that, in the positive Lyapunov exponent regime, after removing some small sets of energies and frequencies, any eigenvalue is separated from the rest of the spectrum by N1(logN)pN^{-1}(\log N)^{-p}, with p>15.

Keywords

Cite

@article{arxiv.1210.3084,
  title  = {On Optimal Separation of Eigenvalues for a Quasiperiodic Jacobi Matrix},
  author = {Ilia Binder and Mircea Voda},
  journal= {arXiv preprint arXiv:1210.3084},
  year   = {2015}
}

Comments

45 pages

R2 v1 2026-06-21T22:19:42.724Z