English

Ergodic Jacobi matrices and conformal maps

Spectral Theory 2015-05-30 v1 Mathematical Physics math.MP

Abstract

We study structural properties of the Lyapunov exponent γ\gamma and the density of states kk for ergodic (or just invariant) Jacobi matrices in a general framework. In this analysis, a central role is played by the function w=γ+iπkw=-\gamma+i\pi k as a conformal map between certain domains. This idea goes back to Marchenko and Ostrovskii, who used this device in their analysis of the periodic problem.

Keywords

Cite

@article{arxiv.1108.5370,
  title  = {Ergodic Jacobi matrices and conformal maps},
  author = {Injo Hur and Christian Remling},
  journal= {arXiv preprint arXiv:1108.5370},
  year   = {2015}
}
R2 v1 2026-06-21T18:55:45.553Z