Edge Connectivity, Packing Spanning Trees, and Eigenvalues of Graphs

Cunxiang Duan, Ligong Wang, Xiangxiang Liu

Let $\mathcal{G}$ be the set of simple graphs (or multigraphs) $G$ such that for each $G\in \mathcal{G}$ there exists at least two non-empty disjoint proper subsets $V_{1},V_{2}\s…