Perfect Matchings in Total Domination Critical Graphs
β Scribed by Michael A. Henning; Anders Yeo
- Publisher
- Springer Japan
- Year
- 2010
- Tongue
- English
- Weight
- 249 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0911-0119
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π SIMILAR VOLUMES
A graph G is said to be k--critical if the size of any minimum dominating set of vertices is k, but if any edge is added to G the resulting graph can be dominated with k -1 vertices. A graph G is factor-critical if G -v has a perfect matching for every vertex v β V (G) and is bicritical if G -u -v h
## Abstract A __balloon__ in a graph __G__ is a maximal 2βedgeβconnected subgraph incident to exactly one cutβedge of __G__. Let __b__(__G__) be the number of balloons, let __c__(__G__) be the number of cutβedges, and let Ξ±β²(__G__) be the maximum size of a matching. Let \documentclass{article}\usep