Maximal signed bipartite graphs with totally disconnected graphs as star complements

Huiqun Jiang, Yue Liu

Let $\dot{\mathcal{B}}\triangleq {\dot{\mathcal{B}}}_{\dot{H},\mu }$ denote an arbitrary signed bipartite graph with $\dot{H}$ as a star complement for an eigenvalue $\mu$, where $\dot{H…