2 papers
math-ph2018
Positive Hausdorff dimensional spectrum for the critical almost Mathieu operator
Bernard Helffer, Qinghui Liu, Yanhui Qu +1
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…
math.DS2011
Localized asymptotic behavior for almost additive potentials
Julien Barral, Yan-Hui Qu
We conduct the multifractal analysis of the level sets of the asymptotic behavior of almost additive continuous potentials on a topologically mixing subshift o…