2 papers
math.OC2026
Dantzig-Wolfe and Arc-Flow Reformulations: A Systematic Comparison
Daniel Yamin, Willem-Jan van Hoeve, Ted K. Ralphs
Dantzig-Wolfe reformulation is a widely used technique for obtaining stronger relaxations in the context of branch-and-bound methods for solving integer optimization problems. Arc-…
math.OC2026
Inverse Optimization Without Inverse Optimization: Direct Solution Prediction with Transformer Models
Macarena Navarro, Willem-Jan van Hoeve, Karan Singh
We present an end-to-end framework for generating solutions to combinatorial optimization problems with unknown components using transformer-based sequence-to-sequence neural netwo…