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A parameter-free approach for solving combinatorial optimization problems through biased randomization of efficient heuristics
Ionescu, Dragos; Juan, Ángel A.; Faulin, Javier; Ferrer i Biosca, Albert
Centre de Recerca Matemàtica
This paper discusses the use of probabilistic or randomized algorithms for solving combinatorial optimization problems. Our approach employs non-uniform probability distributions to add a biased random behavior to classical heuristics so a large set of alternative good solutions can be quickly obtained in a natural way and without complex conguration processes. This procedure is especially useful in problems where properties such as non-smoothness or non-convexity lead to a highly irregular solution space, for which the traditional optimization methods, both of exact and approximate nature, may fail to reach their full potential. The results obtained are promising enough to suggest that randomizing classical heuristics is a powerful method that can be successfully applied in a variety of cases.
519.1 - Teoria general de l'anàlisi combinatòria. Teoria de grafs
Optimització combinatòria
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Centre de Recerca Matemàtica
Prepublicacions del Centre de Recerca Matemàtica;991

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