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Linear orderings and powers of characterizable cardinals

✍ Scribed by Ioannis Souldatos

Book ID
113459233
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
293 KB
Volume
163
Category
Article
ISSN
0168-0072

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✍ Harvey M. Friedman πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 228 KB

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For an undirected graph G the kth power G k of G is the graph with the same vertex set as G where two vertices are adjacent iff their distance is at most k in G. In this paper we prove that any LexBFS-ordering of a chordal graph is a common perfect elimination ordering of all odd powers of this grap