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math.OC2026
GPU Parallel Pareto Local Search for Multi-objective QUBO
Stephanie Riedmüller, Thorsten Koch
We revisit Pareto Local Search (PLS) for multi-objective quadratic unconstrained binary optimization (QUBO) problems. Multi-objective QUBO formulations have gained increasing atten…
math.OC2025
Exact Objective Space Contraction for the Preprocessing of Multi-objective Integer Programs
Stephanie Riedmüller, Thorsten Koch
Solving integer optimization problems with large or widely ranged objective coefficients can lead to numerical instability and increased runtimes. When the problem also involves mu…