Graphs with Small Bandwidth and Cutwidth

F. R.K. Chung, P. D. Seymour

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

We give counter-examples to the following conjecture which arose in the study of small bandwidth graphs. “For a graph G, suppose that |V(G')|≤ 1 + c1 diameter (G') for any connected subgraph G' of G, and that G does not contain any refinement of the complete binary tree of c2 levels. Is it true that the bandwidth of G can be bounded above by a constant c depending only on c1and c2?” On the other hand, we show that if the maximum degree of G is bounded and G does not contain any refinement of a complete binary tree of a specified size, then the cutwidth and the topological bandwidth of G are also bounded.

Original languageEnglish (US)
Pages (from-to)113-119
Number of pages7
JournalAnnals of Discrete Mathematics
Volume43
Issue numberC
DOIs
StatePublished - Jan 1 1989
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Discrete Mathematics and Combinatorics

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