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pro vyhledávání: '"Ferreira O"'
The variational inequality problem in finite-dimensional Euclidean space is addressed in this paper, and two inexact variants of the extragradient method are proposed to solve it. Instead of computing exact projections on the constraint set, as in pr
Externí odkaz:
http://arxiv.org/abs/2309.00648
In the present paper, we formulate two versions of Frank--Wolfe algorithm or conditional gradient method to solve the DC optimization problem with an adaptive step size. The DC objective function consists of two components; the first is thought to be
Externí odkaz:
http://arxiv.org/abs/2308.16444
This article deals with multiobjective composite optimization problems that consist of simultaneously minimizing several objective functions, each of which is composed of a combination of smooth and non-smooth functions. To tackle these problems, we
Externí odkaz:
http://arxiv.org/abs/2302.12912
In this paper we present a subgradient method with non-monotone line search for the minimization of convex functions with simple convex constraints. Different from the standard subgradient method with prefixed step sizes, the new method selects the s
Externí odkaz:
http://arxiv.org/abs/2204.10009
Publikováno v:
In Coastal Engineering April 2024 189
In this paper, we propose a new algorithm combining the Douglas-Rachford (DR) algorithm and the Frank-Wolfe algorithm, also known as the conditional gradient (CondG) method, for solving the classic convex feasibility problem. Within the algorithm, wh
Externí odkaz:
http://arxiv.org/abs/2105.13005
In this paper we present an inexact proximal point method for variational inequality problem on Hadamard manifolds and study its convergence properties. The proposed algorithm is inexact in two sense. First, each proximal subproblem is approximated b
Externí odkaz:
http://arxiv.org/abs/2103.02116
Autor:
Ferreira, O. P., Sosa, W. S.
This paper is concerned with the Frank--Wolfe algorithm for a special class of {\it non-compact} constrained optimization problems. The notion of asymptotic cone is used to introduce this class of problems as well as to establish that the algorithm i
Externí odkaz:
http://arxiv.org/abs/2101.08830
The classical convex feasibility problem in a finite dimensional Euclidean space is studied in the present paper. We are interested in two cases. First, we assume to know how to compute an exact project onto one of the sets involved and the other set
Externí odkaz:
http://arxiv.org/abs/1912.04247
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