An improved lower bound for the Seidel energy of tree graphs

M. Einollahzadeh, M. A. Nematollahi

Let $G$ be a graph with the vertex set $\{v_1,\dots ,v_n\}$. The Seidel matrix of $G$ is an $n\times n$ matrix whose diagonal entries are zero, $ij$-th entry is $-1$ i…