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The Laplacian matrix is the representation of a graph in matrix form.

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Entropy of eigenvectors of (traceless) laplacian of a bipartite graph

Consider a bipartite graph $G=(V,E)$ and consider its traceless laplacian, H (a matrix for which the diagonal is of zeros and $H(i,j) = -1$ only if i and j are neighboring vertices, otherwise is zero). …