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math.CO2005★ 185 cited
On the spectra of nonsymmetric Laplacian matrices
Rafig Agaev, Pavel Chebotarev
A Laplacian matrix is a square real matrix with nonpositive off-diagonal entries and zero row sums. As a matrix associated with a weighted directed graph, it generalizes the Laplac…
math.CO2005★ 3 cited
Matrices of Forests and the Analysis of Digraphs
Pavel Chebotarev, Rafig Agaev
The matrices of spanning rooted forests are studied as a tool for analysing the structure of digraphs and measuring their characteristics. The problems of revealing the basis bicom…