We give examples to show that the necessary conditions of Theorem 2.1 and Theorem 3.4 in Cheng and Wu [Cheng, T. C. E., Y. N. Wu. 2006. A multiproduct, multicriterion supply-demand network equilibrium model. Oper. Res. 54(3) 544-554] for a multiproduct network equilibrium model may not hold. Subject classifications: network equilibrium; variational inequality; Wardrop's equilibrium principle. Area of review: Transportation. History: Received August 2008; revisions received August 2008, October 2008; accepted January 2009.
ASJC Scopus subject areas
- Computer Science Applications
- Management Science and Operations Research