Inverse eigenvalue problem for discrete Schrödinger operators of a graph

Anzila Laikhuram, Jephian C. -H. Lin

A discrete Schrödinger operator of a graph $G$ is a real symmetric matrix whose $i,j$-entry, $i\ne j$, is negative if $\{i,j\}$ is an edge and zero if it is not an edge, while d…