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Haoran Liu

2 papers indexed

arxivmath.OCcs.LG2026-07-15

Learned Pairwise Deep Dual-Optimal Inequalities for Stabilizing Column Generation

Zhengzhong Ricky You, Bo Tang, Haoran Liu, Baichuan Mo

Column generation (CG) is central to many large-scale optimization algorithms, including branch-price-and-cut methods for vehicle routing problems, but unstable dual solutions can substantially slow its convergence. Existing deep dual-optimal inequalities can reduce this instabil…

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