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Symmetry Breaking in Graphs (1996)  (Make Corrections)  (8 citations)
Michael O. Albertson, Karen L. Collins



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Abstract: A labeling of the vertices of a graph G, OE : V (G) ! f1; : : : ; rg, is said to be r-distinguishing provided no automorphism of the graph preserves all of the vertex labels. The distinguishing number of a graph G, denoted by D(G), is the minimum r such that G has an r-distinguishing labeling. The distinguishing number of the complete graph on t vertices is t. In contrast, we prove (i) given any group \Gamma, there is a graph G such that Aut(G) = \Gamma and D(G) = 2; (ii) D(G) =... (Update)

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.... for which G is d distinguishable is dubbed the distinguishing number of G, denoted #(G) An instantiation of this machinery, mentioned in [1], is the problem of coloring keys on a (circular) key chain so that one can uniquely identify each key. In this case, one is interested...

.... We will say that the graph G realizes if Aut(G) We de ne the distinguishing set of a group by D( fD(G)j G realizes g See [1, 2, 4, 5, 6, 10] for related results. The purpose of this note is to introduce the conjecture below. 2. A conjecture on tournaments Mike Saks...

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BibTeX entry:   (Update)

Michael O. Albertson and Karen L. Collins. Symmetry breaking in graphs. Electronic Journal of Combinatorics, 3, 1996. R18. http://citeseer.ist.psu.edu/albertson96symmetry.html   More

@misc{ albertson96symmetry,
  author = "M. Albertson and K. Collins",
  title = "Symmetry breaking in graphs",
  text = "Michael O. Albertson and Karen L. Collins. Symmetry breaking in graphs.
    Electronic Journal of Combinatorics, 3, 1996. R18.",
  year = "1996",
  url = "citeseer.ist.psu.edu/albertson96symmetry.html" }
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15   Tough graphs and Hamiltonian circuits (context) - Chvatal - 1973
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6   Which Way Did the Bicycle Go (context) - Konhauser, Velleman et al. - 1996
6   Cambridge University Press (context) - Holton, Sheehan et al. - 1993
5   personal communication (context) - Lovasz
4   Graphs of Degree Three with a Given Abstract Group (context) - Frucht - 1949
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2   Problem 729 in Journal of Recreational Mathematics (context) - Rubin - 1980

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Extending Graph Colorings Using No Extra Colors - Albertson, Moore (1999)   (Correct)
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