activity
20092026
most citedThe fractal dimensions of the spectrum of Sturm Hamiltonian

24 citations · 46 across the 11 of their papers we have counts for

collaborators

12 papers

math.DS2026

The Hausdorff dimension of the spectrum of the Thue-Morse Hamiltonian

Qinghui Liu, Yiran Lv

In 2015, Liu, Qu (Commun. Math. Phys., Vol. 338) show that the Hausdorff dimension of the spectrum of the Thue-Morse Hamiltonian admits a positive lower bound independent of the co…

math.SP2022

The Hausdorff dimension of spectrum of a class of gerneralized Thue-Morse Hamiltonians

Qinghui Liu, Zhiyi Tang

We study a class of Schrödinger operators with generalized Thue-Morse potential that generated by the substitution , on two symbol alphabet $Σ=…

math.SP2021★ 2 cited

The spectrum of period-doubling Hamiltonian

Qinghui Liu, Yanhui Qu, Xiao Yao

In this paper, we show the following: the Hausdorff dimension of the spectrum of period-doubling Hamiltonian is bigger than , where is the Golden number; there e…

math-ph2018★ 4 cited

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…

cs.DM2017

A note on minimum linear arrangement for BC graphs

Xiaofang Jiang, Qinghui Liu, Natarajan Parthiban +1

A linear arrangement is a labeling or a numbering or a linear ordering of the vertices of a graph. In this paper we solve the minimum linear arrangement problem for bijective conne…

math-ph2016★ 2 cited

"Mixed spectral nature" of Thue--Morse Hamiltonian

Qinghui Liu, Yanhui Qu, Xiao Yao

We find three dense subsets and of the spectrum of the Thue-Morse Hamiltonian, such that each energy in is extended, each energy in is pseudo-…

math.SP2015★ 2 cited

Spectral Properties of Schrödinger Operators With Pattern Sturmian Potentials

David Damanik, Qing-Hui Liu, Yan-Hui Qu

We consider discrete Schrödinger operators with pattern Sturmian potentials. This class of potentials strictly contains the class of Sturmian potentials, for which the spectral pro…

math.SP2014★ 3 cited

Transport Exponents of Sturmian Hamiltonians

David Damanik, Anton Gorodetski, Qing-Hui Liu +1

We consider discrete Schrödinger operators with Sturmian potentials and study the transport exponents associated with them. Under suitable assumptions on the frequency, we establis…

math.DS2014★ 7 cited

On the Hausdorff dimension of the spectrum of Thue-Morse Hamiltonian

Qinghui Liu, Yanhui Qu

We show that the Hausdorff dimension of the spectrum of the Thue-Morse Hamiltonian has a common positive lower bound for all coupling.

math.DS2014★ 1 cited

Iteration of polynomial pair under Thue-Morse dynamic

Qinghui Liu, Yanhui Qu

We study the behavior of a polynomial sequence which is defined by iterating a polynomial pair under Thue-Morse dynamic. We show that in suitable sense, the sequence will behave li…

math-ph2013★ 24 cited

The fractal dimensions of the spectrum of Sturm Hamiltonian

Qinghui Liu, Yanhui Qu, Zhiying Wen

Let be irrational and be the continued fraction expansion of . Let be the Sturm Hamiltonian with frequency and coupling , $Σ_{α…

math.DS2009★ 1 cited

Gibbs-like measure for spectrum of a class of one-dimensional Schrödinger operator with Sturm potentials

Shen Fan, Qing-Hui Liu, Zhi-Ying Wen

Let be an irrational, and the continued fraction expansion of . Let be the one-dimensional Schrödinger operator with Sturm potential of f…