The search functionality is under construction.

IEICE TRANSACTIONS on Fundamentals

Universal Graphs for Graphs with Bounded Path-Width

Atsushi TAKAHASHI, Shuichi UENO, Yoji KAJITANI

  • Full Text Views

    0

  • Cite this

Summary :

A graph G is said to be universal for a family F of graphs if G contains every graph in F as a subgraph. A minimum universal graph for F is a universal graph for F with the minimum number of edges. This paper considers a minimum universal graph for the family Fkn of graphs on n vertices with path-width at most k. We first show that the number of edges in a universal graph Fkn is at least Ω(kn log(n/k)). Next, we construct a universal graph for Fkn with O(kn log(n/k)) edges, and show that the number of edges in a minimum universal graph for Fkn is Θ(kn log(n/k)) .

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E78-A No.4 pp.458-462
Publication Date
1995/04/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category

Authors

Keyword