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Tight lower bounds on the length of word chains

✍ Scribed by Ingo Althöfer


Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
113 KB
Volume
34
Category
Article
ISSN
0020-0190

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📜 SIMILAR VOLUMES


A tight lower bound on the maximum genus
✍ Jianer Chen; Saroja P. Kanchi; Jonathan L. Gross 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 856 KB

It is proved that every connected simplicial graph with minimum valence at least three has maximum genus at least one-quarter of its cycle rank. This follows from the technical result that every 3-regular simplicial graph except K4 has a Xuong co-tree whose odd components have only one edge each. It