Displaying similar documents to “Further results on vertex covering of powers of complete graphs.”

Diameter in path graphs.

Belan, A., Jurica, P. (1999)

Acta Mathematica Universitatis Comenianae. New Series

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Heavy subgraph pairs for traceability of block-chains

Binlong Li, Hajo Broersma, Shenggui Zhang (2014)

Discussiones Mathematicae Graph Theory

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A graph is called traceable if it contains a Hamilton path, i.e., a path containing all its vertices. Let G be a graph on n vertices. We say that an induced subgraph of G is o−1-heavy if it contains two nonadjacent vertices which satisfy an Ore-type degree condition for traceability, i.e., with degree sum at least n−1 in G. A block-chain is a graph whose block graph is a path, i.e., it is either a P1, P2, or a 2-connected graph, or a graph with at least one cut vertex and exactly two...