Proximal point methods for multiobjective optimization in riemannian manifolds

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2019-02-26

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Universidade Federal de Goiás

Resumo

In this work, two different proximal-type methods are investigated in the Riemannian context, namely, an exact and an inexact version. Two strategies were used to analyze these methods. For the exact version, we used a direct approach by investigating the regularized problem, not considering any convexity assumption over the constraint sets, that determine the vectorial improvement steps, which replaces the classical approach via scalarization. To study the inexact version, a definition of the approximate Pareto efficient solution is introduced. For the convex case on Hadamard manifolds, full convergence of both methods to a weak Pareto optimal point is obtained.

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MEIRELES, L. V. Proximal point methods for multiobjective optimization in riemannian manifolds. 2019. 49 f. Tese (Doutorado em Matemática) - Universidade Federal de Goiás, Goiânia, 2019.