Hostname: page-component-cd9895bd7-7cvxr Total loading time: 0 Render date: 2024-12-27T23:52:03.240Z Has data issue: false hasContentIssue false

Strong Isometric Dimension, Biclique Coverings, and Sperner's Theorem

Published online by Cambridge University Press:  01 March 2007

DALIBOR FRONČEK
Affiliation:
Department of Mathematics and Statistics, University of Minnesota Duluth, 1117 University Drive, Duluth, MN 55812, USA (e-mail: dfroncek@d.umn.edu)
JANJA JEREBIC
Affiliation:
Department of Mathematics and Computer Science, PeF, University of Maribor, Korošska cesta 160, 2000 Maribor, Slovenia (e-mail: janja.jerebic@uni-mb.si, sandi.klavzar@uni-mb.si)
SANDI KLAVŽAR
Affiliation:
Department of Mathematics and Computer Science, PeF, University of Maribor, Korošska cesta 160, 2000 Maribor, Slovenia (e-mail: janja.jerebic@uni-mb.si, sandi.klavzar@uni-mb.si)
PETR KOVÁŘ
Affiliation:
Department of Mathematics and Descriptive Geometry, Technical University of Ostrava, 17. listopadu 15, 708 33 Ostrava-Poruba, Czech Republic (e-mail: petr.kovar@vsb.cz)

Abstract

The strong isometric dimension of a graph G is the least number k such that G isometrically embeds into the strong product of k paths. Using Sperner's theorem, the strong isometric dimension of the Hamming graphs K2Kn is determined.

Type
Paper
Copyright
Copyright © Cambridge University Press 2006

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

[1]Chung, F. R. K. (1980) On the coverings of graphs. Discrete Math. 30 8993.CrossRefGoogle Scholar
[2]Chung, F. R. K. (1981) On the decomposition of graphs. SIAM J. Algebraic Discrete Methods 2 112.CrossRefGoogle Scholar
[3]Dewdney, A. K. (1980) The embedding dimension of a graph. Ars Combin. 9 7790.Google Scholar
[4]Engel, K. (1997) Sperner Theory, Vol. 65 of Encyclopedia of Mathematics and its Applications, Cambridge University Press, Cambridge.CrossRefGoogle Scholar
[5]Fitzpatrick, S. L. and Nowakowski, R. J. (2000) The strong isometric dimension of finite reflexive graphs. Discuss. Math. Graph Theory 20 2338.CrossRefGoogle Scholar
[6]Fitzpatrick, S. L. and Nowakowski, R. J. (2001) Copnumber of graphs with strong isometric dimension two. Ars Combin. 59 6573.Google Scholar
[7]Füredi, Z. and Kündgen, A. (2001) Covering a graph with cuts of minimum total size. Discrete Math. 237 129148.CrossRefGoogle Scholar
[8]Imrich, W. and Klavžar, S. (2000) Product Graphs: Structure and Recognition, Wiley, New York.Google Scholar
[9]Isbell, J. R. (1964) Six theorems about injective metric spaces. Comment. Math. Helv. 39 6576.CrossRefGoogle Scholar
[10]Jerebic, J. and Klavžar, S. (2006) On induced and isometric embeddings of graphs into the strong product of paths. Discrete Math. 306 13581363.CrossRefGoogle Scholar
[11]Nešetřil, J. and Rödl, V. (1985) Three remarks on dimensions of graphs. Ann. Discrete Math. 28 199207.Google Scholar
[12]Nowakowski, R. J. and Winkler, P. (1983) Vertex to vertex pursuit in a graph. Discrete Math. 43 235239.CrossRefGoogle Scholar
[13]Poljak, S. and Pultr, A. (1981) Representing graphs by means of strong and weak products. Comment. Math. Univ. Carolin. 22 449466.Google Scholar
[14]Schoenberg, I. J. (1938) Metric spaces and positive definite functions. Trans. Amer. Math. Soc. 44 522536.CrossRefGoogle Scholar
[15]Tomescu, I. (2002) Irreducible coverings by cliques and Sperner's theorem. Electron. J. Combin. 9 #N11, 4 pp.CrossRefGoogle Scholar