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 ...
The aim of this journal is to publish original contributions to pure and applied mathematics. All papers are refereed. Tsukuba Journal of Mathematics is a continuation of Science Reports of the Tokyo ...
Plot points with coordinates where \(x\) and \(y\) are equal. Three points are sufficient, but more can be plotted. Draw a line through the plotted points. If \(x\) is positive, \(y\) is negative. If ...
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