Incidence matrices of directed graphs of groups and their up-down pregroups.
Source
Sultan Qaboos University Journal for Science. v. 22, no. 1, p. 40-47.
Publisher
College of Science, Sultan Qaboos University.
English abstract
The aim of this work is to give a definition of the incidence matrices of the directed graph of groups, construct an up-down pregroup of the incidence matrices of the directed graph of groups and then give an algorithm for the up-down pregroup of the directed graph of groups.
Identifier
DOI: http://dx.doi.org/10.24200/squjs.vol22iss1pp40-47
