Let G = ( V , A ) be a digraph with diameter D # 1. For a given integer 2 5 t 5 D , the t-distance connectivity K ( t ) of G is the minimum cardinality of an z --+ y separating set over all the pairs of vertices z, y which are a t distance d(z, y) 2 t. The t-distance edge connectivity X ( t ) of G i
Distance and connectivity measures in permutation graphs
β Scribed by Wayne Goddard; Michael E. Raines; Peter J. Slater
- Book ID
- 108315864
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 143 KB
- Volume
- 271
- Category
- Article
- ISSN
- 0012-365X
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π SIMILAR VOLUMES
Efficient algorithms are developed for finding a minimum cardinality connected dominating set and a minimum cardinality Steiner tree in permutation graphs. This contrasts with the known NP-completeness of both problems on comparability graphs in general.
Let G=( V, E) be a digraph with diameter D # 1. For a given integer 1 t. The t-distance edge-connectivity of G is defined analogously. This paper studies some results on the distance connectivities of digraphs and bipartite digraphs. These results are given in terms of the parameter I, which can be