Author

Zheng-Zhong You

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Preprint Sep 2026

PrecPack: An Efficient Open-Source Exact Solver for Bin Packing with Generalized Precedence Constraints

Efficient resource use in packing and assembly-line applications requires decisions that jointly account for capacity and precedence constraints. The strongly NP-hard bin packing problem with generalized precedence constraints (BPP-GP) models such decisions by minimizing the number of ordered, capacitated bins required...

Sunkanghong Wang, Zheng-Zhong You, Roberto Baldacci et al. · 0 citations

Jul 2026

Learned Pairwise Deep Dual-Optimal Inequalities for Stabilizing Column Generation

This work introduces learned pairwise deep dual-optimal inequalities (L-PDDOIs), a learning framework that predicts pairwise orderings between dual variables and incorporates their primal counterparts directly into the master problem.

Zheng-Zhong You, Bo Tang, Haoran Liu et al. · arXiv.org · 0 citations