D. Fan, S. Goryainov, X. Huang, H. Lin, The spanning k-trees, perfect matchings and spectral radius of graphs, Linear Multilinear Algebra 70 (2022), 7264–7275. P ...

This is a preview. Log in through your library . Abstract A signed graph consists of a (simple) graph G = (V, E) together with a function σ : E {+; −} called signature. Matrices can be associated to ...