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most citedThe inverse matrix of some circulant matrices

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math.CO2022

The -matrix group inverse problem for distance-biregular graphs

Aida Abiad, Ángeles Carmona, Andrés M. Encinas +1

In this paper we provide the group inverse of the combinatorial Laplacian matrix of distance-biregular graphs using the so-called equilibrium measures for sets obtained by deleting…