On network simplex method using the primal–dual symmetric pivoting rule

On network simplex method using the primal–dual symmetric pivoting rule

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Article ID: iaor2001968
Country: Japan
Volume: 43
Issue: 1
Start Page Number: 149
End Page Number: 161
Publication Date: Mar 2000
Journal: Journal of the Operations Research Society of Japan
Authors:
Keywords: programming: network
Abstract:

We consider a network simplex method using the primal–dual symmetric pivoting rule proposed by Chen, Pardalos, and Saunders. For minimum-cost network-flow problems, we prove global convergence of the algorithm and propose a new scheme in which the algorithim can start from an arbitrary pair of primal and dual feasible spanning trees. For shortest-path problems, we prove the strongly polynomial time complexity of the algorithm.

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