Cahiers : GERAD

Oct 2018

Primal column generation framework for vehicle and crew scheduling problems

Ilyas Himmich, Issmail El Hallaoui, and François Soumis

G-2018-74

Jul 2018

Ré-optimisation multi-objectif en temps réel suite à une petite perturbation

Rachid Hassani, Guy Desaulniers, and Issmail El Hallaoui

G-2018-47

Apr 2018

Distributed integral simplex for clustering

Omar Foutlane, Issmail El Hallaoui, and Pierre Hansen

G-2018-31

Mar 2018

A robust optimization approach for the winner determination problem with uncertainty on shipment volumes and carriers' capacity

Nabila Remli, Amine Amrouss, Issmail El Hallaoui, and Monia Rekik

G-2018-10

Feb 2018

A primal adjacency-based algorithm for the shortest path problem with resource constraints

Ilyas Himmich, Hatem Ben Amor, Issmail El Hallaoui, and François Soumis

G-2018-09

Feb 2018

A multidirectional dynamic programming algorithm for the shortest path problem with resource constraints

Ilyas Himmich, Issmail El Hallaoui, and François Soumis

G-2018-05

Sep 2017

Integral simplex using double decomposition

Omar Foutlane, Issmail El Hallaoui, and Pierre Hansen

G-2017-73

Jun 2017

Integral column generation

Adil Tahir, Guy Desaulniers, and Issmail El Hallaoui

G-2017-53

Jun 2017

An exact solution approach for bid construction in truckload transportation procurement auctions with side constraints

Monia Rekik, Guy Desaulniers, Mohammed Saddoune, and Issmail El Hallaoui

G-2017-51

Apr 2017

Real-time personnel re-scheduling after a minor disruption

Rachid Hassani, Guy Desaulniers, and Issmail El Hallaoui

G-2017-27

Jan 2016

Dynamic penalization of fractional directions in the integral simplex using decomposition: Application to aircrew scheduling

Samuel Rosat, Frédéric Quesnel, Issmail El Hallaoui, and François Soumis

G-2016-01

Sep 2015

Multilevel hybrid method for solving buffer sizing and inspection stations allocation problems

Fatima Zahra Mhada, Mohamed Ouzineb, Robert Pellerin, and Issmail El Hallaoui

G-2015-96

May 2015

Integral simplex using decomposition with primal cutting planes

Samuel Rosat, Issmail El Hallaoui, François Soumis, and Andrea Lodi

G-2015-44

Nov 2014

Influence of the normalization constraint on the integral simplex using decomposition

Samuel Rosat, Issmail El Hallaoui, François Soumis, and Driss Chakour

G-2014-99

Nov 2014

Dynamic constraint and variable aggregation in column generation

Hocine Bouarab, Issmail El Hallaoui, Abdelmoutalib Metrane, and François Soumis

G-2014-82

Aug 2014

Optimal planning of buffer sizes and inspection station positions

Mohamed Ouzineb, Fatima Zahra Mhada, Robert Pellerin, and Issmail El Hallaoui

G-2014-53

Dec 2013

Improving ILP Solutions by Zooming Around an Improving Direction

Abdelouahab Zaghrouti, Issmail El Hallaoui, and François Soumis

G-2013-107

Dec 2013

Buffer Dimensioning and Control Stations Positioning with a Space Partitioning-Tabu Search Approach

Mohamed Ouzineb, Fatima Zahra Mhada, and Issmail El Hallaoui

G-2013-112

Dec 2013

An Exact Method for Solving the Buffer Sizing and Inspection Stations Allocations Problem

Mohamed Ouzineb, Fatima Zahra Mhada, Issmail El Hallaoui, and Robert Pellerin

G-2013-111

Dec 2013

Integral Simplex Using Decomposition for the Set Partitioning Problem

Abdelouahab Zaghrouti, François Soumis, and Issmail El Hallaoui

G-2013-108

Nov 2013

Integral simplex using decomposition with primal cuts

Samuel Rosat, Issmail El Hallaoui, François Soumis, and Andrea Lodi

G-2013-79

Apr 2010

Integrated Airline Crew Scheduling: A Bi-Dynamic Constraint Aggregation Method using Neighborhoods

Guy Desaulniers, Issmail El Hallaoui, Mohammed Saddoune, and François Soumis

G-2010-21

Feb 2010

Integrated Airline Crew Pairing and Crew Assignment by Dynamic Constraint Aggregation

Mohammed Saddoune, Guy Desaulniers, Issmail El Hallaoui, and François Soumis

G-2010-05

May 2008

Bidline Scheduling with Equity by Heuristic Dynamic Constraint Aggregation

Khaled Boubaker, Guy Desaulniers, and Issmail El Hallaoui

G-2008-43

Sep 2007

An Improved Primal Simplex Algorithm for Degenerate Linear Programs

Issmail El Hallaoui, Abdelmoutalib Metrane, Guy Desaulniers, and François Soumis

G-2007-66

Jul 2003

Dynamic Aggregation of Set Partitioning Constraints in Column Generation

Issmail El Hallaoui, Daniel Villeneuve, François Soumis, and Guy Desaulniers

G-2003-45

Cahiers du GERAD

Issmail El Hallaoui

Annual Reports