Iterative Procedures for Solving Equations in Abstract Fractional Calculus

Author(s):  
George A. Anastassiou ◽  
Ioannis K. Argyros
2020 ◽  
Vol 2020 ◽  
pp. 1-12
Author(s):  
M. O. Aibinu ◽  
S. C. Thakur ◽  
S. Moyo

The concept of asymptotically nonexpansive mappings is an important generalization of the class of nonexpansive mappings. Implicit midpoint procedures are extremely fundamental for solving equations involving nonlinear operators. This paper studies the convergence analysis of the class of asymptotically nonexpansive mappings by the implicit midpoint iterative procedures. The necessary conditions for the convergence of the class of asymptotically nonexpansive mappings are established, by using a well-known iterative algorithm which plays important roles in the computation of fixed points of nonlinear mappings. A numerical example is presented to illustrate the convergence result. Under relaxed conditions on the parameters, some algorithms and strong convergence results were derived to obtain some results in the literature as corollaries.


Mathematics ◽  
2019 ◽  
Vol 7 (9) ◽  
pp. 855
Author(s):  
Ramandeep Behl ◽  
Ioannis K. Argyros ◽  
Ali Saleh Alshomrani

The foremost aim of this paper is to suggest a local study for high order iterative procedures for solving nonlinear problems involving Banach space valued operators. We only deploy suppositions on the first-order derivative of the operator. Our conditions involve the Lipschitz or Hölder case as compared to the earlier ones. Moreover, when we specialize to these cases, they provide us: larger radius of convergence, higher bounds on the distances, more precise information on the solution and smaller Lipschitz or Hölder constants. Hence, we extend the suitability of them. Our new technique can also be used to broaden the usage of existing iterative procedures too. Finally, we check our results on a good number of numerical examples, which demonstrate that they are capable of solving such problems where earlier studies cannot apply.


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