# On common fixed points approximation of countable families of certain multi-valued maps in hilbert spaces.

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## Date

2017

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## Abstract

Fixed point theory and its applications have been widely studied by many researchers.
Di erent iterative algorithms have been used extensively to approximate solutions of xed
point problems and other related problems such as equilibrium problems, variational in-
equality problems, optimization problems and so on. In this dissertation, we rst introduce
an iterative algorithm for nding a common solution of multiple-set split equality mixed
equilibrium problem and xed point problem for in nite families of generalized ki-strictly
pseudo-contractive multi-valued mappings in real Hilbert spaces. Using our iterative algo-
rithm, we obtain weak and strong convergence results for approximating a common solution
of multiple-set split equality mixed equilibrium problem and xed point problem. As ap-
plication, we utilize our result to study the split equality mixed variational inequality and
split equality convex minimization problems .
Also, we present another iterative algorithm that does not require the knowledge of the oper-
ator norm for approximating a common solution of split equilibrium problem and xed point
problem for in nite family of multi-valued quasi-nonexpansive mappings in real Hilbert
spaces. Using our iterative algorithm, we state and prove a strong convergence result for
approximating a common solution of split equilibrium problem and xed point problem
for in nite family of multi-valued quasi-nonexpansive mappings in real Hilbert spaces. We
apply our result to convex minimization problem and also present a numerical example.

## Description

Master of Science in Mathematics, Statistics and Computer Science. University of KwaZulu-Natal, Durban 2017.

## Keywords

Theses - Computer Science.