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 ...
Abstract. We discuss graphs with the vertex set ℤ² which are subgraphs of the 8-adjacency graph and have the property that certain natural cycles in these graphs are Jordan curves, i.e., separate ℤ² ...
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