Equilibrium in Multi-criteria Transportation Networks

Dinh The Luc () and Truong Thi Thanh Phuong ()
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Dinh The Luc: Avignon University
Truong Thi Thanh Phuong: Quy Nhon University

Journal of Optimization Theory and Applications, 2016, vol. 169, issue 1, No 7, 116-147

Abstract: Abstract We develop a new method to generate the set of equilibrium flows of a multi-criteria transportation network. To this end, we introduce two optimization problems by using a vector version of the Heaviside step function and the distance function to Pareto minimal elements and show that the optimal solutions of these problems are exactly the equilibria of the network. We study the objective functions by establishing their generic differentiability and local calmness at equilibrium solutions. Then we present an algorithm to generate a discrete representation of equilibrium solutions by using a modified Frank–Wolfe reduced gradient method and prove its convergence. We give some numerical examples to illustrate our algorithm and show its advantage over a popular method by using linear scalarization.

Keywords: Multi-criteria transportation network; Generic differentiability; Vector equilibrium; Variational inequalities; Frank–Wolfe reduced gradient method; 90B10; 49J40 (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1007/s10957-016-0876-3

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