On Extremal Graphs with Bounded Girth
β Scribed by Charles Delorme; Evelyne Flandrin; Yuqing Lin; Mirka Miller; Joe Ryan
- Book ID
- 108120730
- Publisher
- Elsevier Science
- Year
- 2009
- Tongue
- English
- Weight
- 173 KB
- Volume
- 34
- Category
- Article
- ISSN
- 1571-0653
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π SIMILAR VOLUMES
The odd girth of a graph \(G\) gives the length of a shortest odd cycle in \(G\). Let \(f(k, g)\) denote the smallest \(n\) such that there exists a \(k\)-regular graph of order \(n\) and odd girth \(g\). It is known that \(f(k, g) \geqslant k g / 2\) and that \(f(k, g)=k g / 2\) if \(k\) is even. T
Let n β₯ 3 be a positive integer, and let G be a simple graph of order v containing no cycles of length smaller than n + 1 and having the greatest possible number of edges (an extremal graph). Does G contain an n + 1-cycle? In this paper we establish some properties of extremal graphs and present sev