Distinguishing Cartesian Products of Countable Graphs

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Authors

External Organisational units

  • Hakim Sabzevari University
  • AGH University of Science and Technology Krakow
  • Colgate University

Abstract

The distinguishing number D(G) of a graph G is the minimum number
of colors needed to color the vertices of G such that the coloring is preserved
only by the trivial automorphism. In this paper we improve results about
the distinguishing number of Cartesian products of finite and infinite graphs
by removing restrictions to prime or relatively prime factors.
Keywords: vertex coloring, distinguishing number, automorphisms, infinite
graphs, Cartesian and weak Cartesian product.

Details

Original languageEnglish
Pages (from-to)155-164
Number of pages10
JournalDiscussiones mathematicae / Graph theory
Volume37.2017
Issue number1
DOIs
Publication statusPublished - 1 Dec 2017