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On quotient digraphs and voltage digraphs

Autor
Dalfo, C.; Fiol, M.; Miller, M.; Ryan, J.
Tipus d'activitat
Article en revista
Revista
The australasian journal of combinatorics
Data de publicació
2017-10
Volum
69
Número
3
Pàgina inicial
368
Pàgina final
374
Repositori
http://hdl.handle.net/2117/108606 Obrir en finestra nova
URL
https://ajc.maths.uq.edu.au/?page=get_volumes&volume=69 Obrir en finestra nova
Resum
We study the relationship between two key concepts in the theory of (di)graphs: the quotient digraph, and the lift Ga of a base (voltage) digraph. These techniques contract or expand a given digraph in order to study its characteristics, or obtain more involved structures. This study is carried out by introducing a quotient-like matrix, with complex polynomial entries, which fully represents Ga. In particular, such a matrix gives the quotient matrix of a regular partition of Ga, and when the inv...
Citació
Dalfo, C., Fiol, M., Miller, M., Ryan, J. On quotient digraphs and voltage digraphs. "The australasian journal of combinatorics", Octubre 2017, vol. 69, núm. 3, p. 368-374.
Grup de recerca
COMBGRAF - Combinatòria, Teoria de Grafs i Aplicacions

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