On locally most reliable three-terminal graphs of sparse graphs

Autor: Sun Xie, Haixing Zhao, Liming Dai, Jun Yin
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: AIMS Mathematics, Vol 6, Iss 7, Pp 7518-7531 (2021)
Druh dokumentu: article
ISSN: 2473-6988
DOI: 10.3934/math.2021439?viewType=HTML
Popis: A network structure with n vertices and m edges is practically represented by a graph with n vertices and m edges. The graph with k fixed target vertices is called a k-terminal graph. This article studies the locally most reliable simple sparse three-terminal graphs, in which each edge survives independently with probability p. For p close to 0 or 1, the locally most reliable three-terminal graphs with n vertices and m edges are determined, where n≥5 and 9≤m≤4n−10. Finally, we prove that there is no uniformly most reliable three-terminal graph for n≥5, 11
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