3 papers
math.OC2026
Applying a Random-Key Optimizer on Mixed Integer Programs
Antonio A. Chaves, Mauricio G. C. Resende, Carise E. Schmidt +3
Mixed-Integer Programs (MIPs) are NP-hard optimization models that arise in a broad range of decision-making applications, including finance, logistics, energy systems, and network…
cs.AI2024
A Random-Key Optimizer for Combinatorial Optimization
Antonio A. Chaves, Mauricio G. C. Resende, Martin J. A. Schuetz +4
This paper introduces the Random-Key Optimizer (RKO), a versatile and efficient stochastic local search method tailored for combinatorial optimization problems. Using the random-ke…
cs.NE2024
A random-key GRASP for combinatorial optimization
Antonio A. Chaves, Mauricio G. C. Resende, Ricardo M. A. Silva
This paper proposes a problem-independent GRASP metaheuristic using the random-key optimizer (RKO) paradigm. GRASP (greedy randomized adaptive search procedure) is a metaheuristic…