求解伪单调平衡问题和不动点问题的惯性型自适应迭代算法

IF 1.1 Q1 MATHEMATICS Journal of Nonlinear Functional Analysis Pub Date : 2021-01-01 DOI:10.23952/jnfa.2021.4
F. U. Ogbuisi, O. Iyiola, J. T. Ngnotchouye, T. Shumba
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引用次数: 10

摘要

. 本文研究了一种具有自适应步长的惯性加速迭代算法,用于求实Hilbert空间中包含伪单调双函数和半闭性拟非扩张映射不动点问题的平衡问题的公解。该算法是基于亚梯度外梯度法和惯性法,该算法不需要事先知道伪单调双函数的Lipschitz型常数。在一些标准假设下,建立了修正迭代法的弱收敛定理。通过数值算例验证了该算法的有效性和适用性。
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On inertial type self-adaptive iterative algorithms for solving pseudomonotone equilibrium problems and fixed point problems
. In this paper, we study an inertial accelerated iterative algorithm with a self-adaptive stepsize for finding a common solution of an equilibrium problem involving a pseudomonotone bifunction and a fixed point problem of a quasi-nonexpansive mapping with a demiclosedness property in a real Hilbert space. The algorithm is based on the subgradient extragradient method and the inertial method and this algorithm does not require a prior knowledge of the Lipschitz type constants of the pseudomonotone bifunction. We establish a weak convergence theorem of the modified iterative method under some standard assumptions. We also give some numerical examples to demonstrate the efficiency and applicability of the new algorithm.
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2.40
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期刊介绍: Journal of Nonlinear Functional Analysis focuses on important developments in nonlinear functional analysis and its applications with a particular emphasis on topics include, but are not limited to: Approximation theory; Asymptotic behavior; Banach space geometric constant and its applications; Complementarity problems; Control theory; Dynamic systems; Fixed point theory and methods of computing fixed points; Fluid dynamics; Functional differential equations; Iteration theory, iterative and composite equations; Mathematical biology and ecology; Miscellaneous applications of nonlinear analysis; Multilinear algebra and tensor computation; Nonlinear eigenvalue problems and nonlinear spectral theory; Nonsmooth analysis, variational analysis, convex analysis and their applications; Numerical analysis; Optimal control; Optimization theory; Ordinary differential equations; Partial differential equations; Positive operator inequality and its applications in operator equation spectrum theory and so forth; Semidefinite programming polynomial optimization; Variational and other types of inequalities involving nonlinear mappings; Variational inequalities.
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