Solving Integral Equations by Means of Fixed Point Theory
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Hindawi
Date
2022-02-10Referencia bibliográfica
E. Karapinar... [et al.]. "Solving Integral Equations by Means of Fixed Point Theory", Journal of Function Spaces, vol. 2022, Article ID 7667499, 16 pages, 2022. [https://doi.org/10.1155/2022/7667499]
Sponsorship
Instituto de Salud Carlos III Spanish Government European Commission PID2020-119478GB-I00; Program FEDER Andalucia 2014-2020 A-FQM-170-UGR20Abstract
One of the most interesting tasks in mathematics is, undoubtedly, to solve any kind of equations. Naturally, this problem has
occupied the minds of mathematicians since the dawn of algebra. There are hundreds of techniques for solving many classes of
equations, facing the problem of finding solutions and studying whether such solutions are unique or multiple. One of the
recent methodologies that is having great success in this field of study is the fixed point theory. Its iterative procedures are
applicable to a great variety of contexts in which other algorithms fail. In this paper, we study a very general class of integral
equations by means of a novel family of contractions in the setting of metric spaces. The main advantage of this family is the
fact that its general contractivity condition can be particularized in a wide range of ways, depending on many parameters.
Furthermore, such a contractivity condition involves many distinct terms that can be either adding or multiplying between
them. In addition to this, the main contractivity condition makes use of the self-composition of the operator, whose associated
theorems used to be more general than the corresponding ones by only using such mapping. In this setting, we demonstrate
some fixed point theorems that guarantee the existence and, in some cases, the uniqueness, of fixed points that can be
interpreted as solutions of the mentioned integral equations.