2 papers
math.AP2026
Sharp dispersive estimates for wave equation on lattice graphs with high dimension
Zhe You, Xiongfeng Zhan
Schultz [Comm.~Pure~Appl.~Math., 1998] first established dispersive estimates for the fundamental solution of the discrete wave equation on lattice graphs for , which…
math.CO2025
Higher Steklov eigenvalues of graphs on surfaces
Xiongfeng Zhan, Zhe You
In this paper, we study the higher Steklov eigenvalues of graphs on surfaces. We obtain the upper bound of higher Steklov eigenvalues of a finite graph with boundary and ge…