Let G be a graph, A(G) be the adjacency matrix of G, and λ(G) the least eigenvalue of A(G). Information is given about the following three quantities: $\lambda_R(G ...

PROC MODEL provides several features to aid in analyzing the structure of the model program. These features summarize properties of the model in various forms. The following Klein's model program is ...

There is substantial interest in the current literature – spanning finance, economics, engineering and medical imaging – on the relationship structure between several nodes in a complex system. In ...