Title

Moore–Penrose inverse of the incidence matrix of a distance regular graph

Article Type

Research Article

Publication Title

Linear Algebra and Its Applications

Abstract

Let Γ be a graph with n vertices, where each edge is given an orientation and let Q be the vertex-edge incidence matrix. We obtain a formula for the Moore–Penrose inverse of Q, when Γ is a distance regular graph. The formula is illustrated by examples.

First Page

92

Last Page

103

DOI

10.1016/j.laa.2018.04.003

Publication Date

8-15-2018

Comments

All Open Access, Bronze

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