We show that between any two vertices of a 5-connected graph there exists an induced path whose vertices can be removed such that the remaining graph is 2-connected.
Extremal graphs in connectivity augmentation
✍ Scribed by Jord�n, Tibor
- Publisher
- John Wiley and Sons
- Year
- 1999
- Tongue
- English
- Weight
- 245 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0364-9024
No coin nor oath required. For personal study only.
✦ Synopsis
Let A(n, k, t)
denote the smallest integer e for which every kconnected graph on n vertices can be made (k + t)-connected by adding e new edges. We determine A(n, k, t) for all values of n, k, and t in the case of (directed and undirected) edge-connectivity and also for directed vertex-connectivity.
For undirected vertex-connectivity we determine A(n, k, 1) for all values of n and k. We also describe the graphs that attain the extremal values.
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