The Moore–Penrose inverse of the incidence matrix of complete multipartite and bi-block graphs

Article Type

Research Article

Publication Title

Discrete Mathematics

Abstract

A bi-block graph is a connected graph all of whose blocks are complete bipartite graphs. We give a combinatorial interpretation of the Moore–Penrose inverse of the incidence matrix of a complete multipartite graph and a bi-block graph.

First Page

2393

Last Page

2401

DOI

10.1016/j.disc.2019.05.007

Publication Date

8-1-2019

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