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Browsing by Author "Alves de Oliveira, Washington"
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Article
Necessary and sufficient conditions for achieving global optimal solutions in multiobjective quadratic fractional optimization problems
Alves de Oliveira, Washington; Rojas Medar, Marko Antonio; Beato Moreno, Antonio; Hernández Jiménez, Beatriz (Springer, 2019-04)If x∗ is a local minimum solution, then there exists a ball of radius r > 0 such that f (x) ≥ f (x∗) for all x ∈ B(x∗,r). ...
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Article
Pareto optimality conditions and duality for vector quadratic fractional optimization problems
Alves de Oliveira, Washington; Beato Moreno, Antonio; Moretti, Antonio Carlos; Salles Neto, Luiz Leduino de (Hindawi, 2014)One of the most important optimality conditions to aid in solving a vector optimization problem is the first-order necessary ...