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Bilinear matrix equation characterizes Laplacian and distance matrices of weighted trees. (arXiv:2008.06068v1 [math.CO]) http://arxiv.org/abs/2008.06068
Bilinear matrix equation characterizes Laplacian and distance matrices of weighted trees. (arXiv:2008.06068v1 [math.CO]) http://arxiv.org/abs/2008.06068