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Positive Hausdorff dimensional spectrum for the critical almost Mathieu operator

Mathematical Physics 2018-11-14 v1 math.MP Spectral Theory

Abstract

We show that there exists a dense set of frequencies with positive Hausdorff dimension for which the Hausdorff dimension of the spectrum of the critical almost Mathieu operator is positive.

Cite

@article{arxiv.1804.01658,
  title  = {Positive Hausdorff dimensional spectrum for the critical almost Mathieu operator},
  author = {Bernard Helffer and Qinghui Liu and Yanhui Qu and Qi Zhou},
  journal= {arXiv preprint arXiv:1804.01658},
  year   = {2018}
}

Comments

3 figures

R2 v1 2026-06-23T01:14:23.118Z