- G. Heilporn, J.-F. Cordeau and G. Laporte, "An Integer L-Shaped Algorithm for the Dial-a-Ride Problem with Stochastic Customer Delays", submitted to Discrete Applied Mathematics. Research report CIRRELT-2010-29.
- G. Heilporn, J.-F. Cordeau and G. Laporte, "The Delivery Man Problem with Time Windows", to appear in Discrete Optimization. Research report CIRRELT-2009-36.
- G. Heilporn, M. Labbé, P. Marcotte and G. Savard, "Valid Inequalities and Branch-and-Cut for the Clique Pricing Problem", in revision for Discrete Optimization. Research report CIRRELT-2009-24.
- G. Heilporn, M. Labbé, P. Marcotte and G. Savard, "A parallel between two classes of pricing problems in transportation and economics", Journal of Revenue & Pricing Management, Volume 9, pp. 110-125, 2010.
- G. Heilporn, M. Labbé, P. Marcotte and G. Savard, "A polyhedral study of the Network Pricing Problem with Connected Toll Arcs", Networks, Volume 55, pp. 234-246, 2010.
- G. Heilporn, "Network Pricing Problems: complexity, polyhedral study and solution approaches", Ph.D. thesis, Université Libre de Bruxelles, Université de Montréal. Published by VDM Publishing House Ltd, ISBN 978-3-639-14688-2.
- G. Heilporn, M. Labbé, P. Marcotte and G. Savard, "New formulations and valid inequalities for the Toll Setting Problem", INCOM 2006, A Proceedings volume from the 12th IFAC International Symposium, Elsevier Ltd, 2006.
- L. De Giovanni, G. Heilporn and M. Labbé, "Optimization models for the delay management problem in public transportation", European Journal of Operational Research, Volume 189, pp. 762-774, 2008.
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GOM
combinatorial optimization 
