Cristina Requejo

Publication Activity (10 Years)

Years Active: 1998-2024
Publications (10 Years): 20

Top Topics

Mixed Integer Linear Programming

Routing Problem

Top Venues

Comput. Oper. Res.

Eur. J. Oper. Res.

Publications

Agostinho Agra, Cristina Requejo
Revisiting a Cornuéjols-Nemhauser-Wolsey formulation for the p-median problem. EURO J. Comput. Optim. 12 (2024)
Filipe Rodrigues, Agostinho Agra, Lars Magnus Hvattum, Cristina Requejo
Weighted iterated local branching for mathematical programming problems with binary variables. J. Heuristics 28 (3) (2022)
Olga Fajarda, Cristina Requejo
MIP model-based heuristics for the minimum weighted tree reconstruction problem. Oper. Res. 22 (3) (2022)
Filipe Rodrigues, Agostinho Agra, Cristina Requejo, Erick Delage
Lagrangian Duality for Robust Problems with Decomposable Functions: The Case of a Robust Inventory Problem. INFORMS J. Comput. 33 (2) (2021)
Filipe Rodrigues, Agostinho Agra, Lars Magnus Hvattum, Cristina Requejo
Weighted proximity search. J. Heuristics 27 (3) (2021)
Paola Cappanera, Cristina Requejo, Maria Grazia Scutellà
Temporal constraints and device management for the Skill VRP: Mathematical model and lower bounding techniques. Comput. Oper. Res. 124 (2020)
Cristina Requejo, Eulália Santos
Efficient lower and upper bounds for the weight-constrained minimum spanning tree problem using simple Lagrangian based algorithms. Oper. Res. 20 (4) (2020)
Agostinho Agra, Jorge Orestes Cerdeira, Cristina Requejo
A computational comparison of compact MILP formulations for the zero forcing number. Discret. Appl. Math. 269 (2019)
Filipe Rodrigues, Agostinho Agra, Marielle Christiansen, Lars Magnus Hvattum, Cristina Requejo
Comparing techniques for modelling uncertainty in a maritime inventory routing problem. Eur. J. Oper. Res. 277 (3) (2019)
Filipe Rodrigues, Cristina Requejo
Suppliers selection problem with quantity discounts and price changes: A heuristic approach. RAIRO Oper. Res. 53 (3) (2019)
Paula Carroll, Cristina Requejo
Smart Grid Topology Designs. INOC (2019)
Agostinho Agra, Cristina Requejo, Filipe Rodrigues
A hybrid heuristic for a stochastic production-inventory-routing problem. Electron. Notes Discret. Math. 64 (2018)
Agostinho Agra, Cristina Requejo, Filipe Rodrigues
An adjustable sample average approximation algorithm for the stochastic production-inventory-routing problem. Networks 72 (1) (2018)
Agostinho Agra, Rosa Figueiredo, Carlile Lavor, Nelson Maculan, António Pereira, Cristina Requejo
Feasibility check for the distance geometry problem: an application to molecular conformations. Int. Trans. Oper. Res. 24 (5) (2017)
Cristina Requejo, Eulália Santos
A Feasibility Pump and a Local Branching Heuristics for the Weight-Constrained Minimum Spanning Tree Problem. ICCSA (2) (2017)
Bernard Fortz, Olga Oliveira, Cristina Requejo
Compact mixed integer linear programming models to the minimum weighted tree reconstruction problem. Eur. J. Oper. Res. 256 (1) (2017)
Agostinho Agra, Jorge Orestes Cerdeira, Cristina Requejo
A decomposition approach for the p-median problem on disconnected graphs. Comput. Oper. Res. 86 (2017)
Agostinho Agra, Cristina Requejo, Eulália Santos
Implicit cover inequalities. J. Comb. Optim. 31 (3) (2016)
Agostinho Agra, Adelaide Cerveira, Cristina Requejo
Lagrangian Relaxation Bounds for a Production-Inventory-Routing Problem. MOD (2016)
Agostinho Agra, Adelaide Cerveira, Cristina Requejo
A Branch-and-Cut Algorithm for a Multi-item Inventory Distribution Problem. MOD (2016)
Agostinho Agra, Marielle Christiansen, Rosa M. V. Figueiredo, Lars Magnus Hvattum, Michael Poss, Cristina Requejo
The robust vehicle routing problem with time windows. Comput. Oper. Res. 40 (3) (2013)
Agostinho Agra, Jorge Orestes Cerdeira, Cristina Requejo
Using decomposition to improve greedy solutions of the optimal diversity management problem. Int. Trans. Oper. Res. 20 (5) (2013)
Agostinho Agra, Marielle Christiansen, Rosa M. V. Figueiredo, Lars Magnus Hvattum, Michael Poss, Cristina Requejo
Layered Formulation for the Robust Vehicle Routing Problem with Time Windows. ISCO (2012)
Agostinho Agra, Adelaide Cerveira, Cristina Requejo, Eulália Santos
On the Weight-Constrained Minimum Spanning Tree Problem. INOC (2011)
J. Orestes Cerdeira, Rosa M. V. Figueiredo, António Pereira, Cristina Requejo
Scheduling with sequence-dependent batch setup times: planning tests for a pharmaceutic industry. Int. J. Math. Model. Numer. Optimisation 2 (3) (2011)
Rui Manuel Morais, Claunir Pavan, Armando Nolasco Pinto, Cristina Requejo
Genetic Algorithm for the Topological Design of Survivable Optical Transport Networks. JOCN 3 (1) (2011)
Agostinho Agra, Luis Eduardo Neves Gouveia, Cristina Requejo
Extended formulations for the cardinality constrained subtree of a tree problem. Oper. Res. Lett. 37 (3) (2009)
Luis Eduardo Neves Gouveia, Thomas L. Magnanti, Cristina Requejo
An intersecting tree model for odd-diameter-constrained minimum spanning and Steiner trees. Ann. Oper. Res. 146 (1) (2006)
Luis Eduardo Neves Gouveia, Thomas L. Magnanti, Cristina Requejo
A 2-path approach for odd-diameter-constrained minimum spanning and Steiner trees. Networks 44 (4) (2004)
Luis Eduardo Neves Gouveia, Cristina Requejo
A new Lagrangean relaxation approach for the hop-constrained minimum spanning tree problem. Eur. J. Oper. Res. 132 (3) (2001)
Luís M. Fernandes, Andreas Fischer, Joaquim Júdice, Cristina Requejo, João Soares
A block active set algorithm for large-scalequadratic programming with box constraints. Ann. Oper. Res. 81 (1998)