2025
When GNNs meet symmetry in ILPs: an orbit-based feature augmentation approach.
CoRR, January, 2025

A novel mixed-integer linear programming formulation for continuous-time inventory routing.
Comput. Oper. Res., 2025

When GNNs meet symmetry in ILPs: an orbit-based feature augmentation approach.
Proceedings of the Thirteenth International Conference on Learning Representations, 2025

2024
An Efficient Unsupervised Framework for Convex Quadratic Programs via Deep Unrolling.
CoRR, 2024

Routing and scheduling of platform supply vessels in offshore oil and gas logistics.
Comput. Oper. Res., 2024

IPM-LSTM: A Learning-Based Interior Point Method for Solving Nonlinear Programs.
Proceedings of the Advances in Neural Information Processing Systems 38: Annual Conference on Neural Information Processing Systems 2024, 2024

SymILO: A Symmetry-Aware Learning Framework for Integer Linear Optimization.
Proceedings of the Advances in Neural Information Processing Systems 38: Annual Conference on Neural Information Processing Systems 2024, 2024

An Approximate-and-Optimize Method for Security-Constrained AC Optimal Power Flow.
Proceedings of the Learning and Intelligent Optimization - 18th International Conference, 2024

PDHG-Unrolled Learning-to-Optimize Method for Large-Scale Linear Programming.
Proceedings of the Forty-first International Conference on Machine Learning, 2024

2023
A GNN-Guided Predict-and-Search Framework for Mixed-Integer Linear Programming.
Proceedings of the Eleventh International Conference on Learning Representations, 2023

2022
The Machine Learning for Combinatorial Optimization Competition (ML4CO): Results and Insights.
CoRR, 2022

2021
Mixed-integer linear optimization for full truckload pickup and delivery.
Optim. Lett., 2021

On tackling reverse convex constraints for non-overlapping of unequal circles.
J. Glob. Optim., 2021

Vehicle routing with endogenous learning: Application to offshore plug and abandonment campaign planning.
Eur. J. Oper. Res., 2021

The Machine Learning for Combinatorial Optimization Competition (ML4CO): Results and Insights.
Proceedings of the NeurIPS 2021 Competitions and Demonstrations Track, 2021

2018
A customized branch-and-bound approach for irregular shape nesting.
J. Glob. Optim., 2018

A Scenario Decomposition Algorithm for Strategic Time Window Assignment Vehicle Routing Problems.
CoRR, 2018