Displaying similar documents to “On the Vertex Separation of Maximal Outerplanar Graphs”

On the Vertex Separation of Cactus Graphs

Markov, Minko (2007)

Serdica Journal of Computing

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This paper is part of a work in progress whose goal is to construct a fast, practical algorithm for the vertex separation (VS) of cactus graphs. We prove a theorem for cacti", a necessary and sufficient condition for the VS of a cactus graph being k. Further, we investigate the ensuing ramifications that prevent the construction of an algorithm based on that theorem only.

Edge Dominating Sets and Vertex Covers

Ronald Dutton, William F. Klostermeyer (2013)

Discussiones Mathematicae Graph Theory

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Bipartite graphs with equal edge domination number and maximum matching cardinality are characterized. These two parameters are used to develop bounds on the vertex cover and total vertex cover numbers of graphs and a resulting chain of vertex covering, edge domination, and matching parameters is explored. In addition, the total vertex cover number is compared to the total domination number of trees and grid graphs.