Shiping Liu

activity

20122026

A_{\infty}^{\infty}

and triangulations of the infinite strip

2 citations · 2 across the 28 of their papers we have counts for

collaborators

Showing 2017Show all

2 papers · 1 filter

math.SP2017

Magnetic sparseness and Schrödinger operators on graphs

Michel Bonnefont, Sylvain Golénia, Matthias Keller +2

We study magnetic Schrödinger operators on graphs. We extend the notion of sparseness of graphs by including a magnetic quantity called the frustration index. This notion of magnet…

math.DG2017

Rigidity properties of the hypercube via Bakry-Emery curvature

Shiping Liu, Florentin Münch, Norbert Peyerimhoff

We give rigidity results for the discrete Bonnet-Myers diameter bound and the Lichnerowicz eigenvalue estimate. Both inequalities are sharp if and only if the underlying graph is a…