On the determination of the strength of a graph

On the determination of the strength of a graph

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Article ID: iaor19931476
Country: United States
Volume: 43
Start Page Number: 246
End Page Number: 249
Publication Date: Dec 1991
Journal: Soviet Mathematics Doklady
Authors:
Keywords: networks
Abstract:

The problem of determining the strength of a graph has applications in the analysis of bottlenecks in communication networks and is also used for decomposition of large networks in heuristic combinatorial algorithms (for example; for the solution of VLSI layout problems). Cunningham proposed an elegant strictly polynomial algorithm for its solution, reducing it to the solution of mn problems on the maximal flow in a network. It is known that the latter has complexity equ1or equ2. This note proposes a simpler algorithm requiring the computation of not more than equ3maximal flows in the networks for the solution of this problem.

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