Which $L$-cospectral graphs have same degree sequences

Jiachang Ye

Let ${\lambda }_i(G)$ be the $i$-th largest Laplacian eigenvalues of graph $G$, where $1\le i\le |V(G)|$. Liu, Yuan, You and Chen [Discrete Math., 341 (2018) 2969--2976] raised the proble…