Archive | Zhengzhong Ricky You

Papers, software, and talks, organized by date.

2026

September

PrecPack

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

August

TorchDCM

TorchDCM: A Unified PyTorch-Native Package for Discrete Choice Modeling

July

Bulk Service Queueing for Transit Resilience under Short Random Service Suspensions

Learned Pairwise Deep Dual-Optimal Inequalities for Stabilizing Column Generation

April

Draft-and-Audit Reinforcement Learning for Optimization Modeling

RouteOpt

RouteOpt: An Open-Source Modular Exact Solver for Vehicle Routing Problems

February

Two-Stage Learning to Branch in Branch-Price-and-Cut Algorithms for Solving Vehicle Routing Problems Exactly

2025

October

L-DDOIs: Learning-Based Deep Dual-Optimal Inequalities for Stabilizing Column Generation

September

Two-Stage Learning to Branch in the Branch-Price-and-Cut Solution Framework for Solving Vehicle Routing Problems Exactly

2024

October

RouteOpt: A Scalable Advanced Optimization Tool for VRPs

March

Accelerating Dynamic Programming via Dual Selection for Column-Generation-Based Exact Solution Frameworks

2022

October

Learning to Branch with Column Generation