On Application of the Fixed-Point Theorem to the Solution of Ordinary Differential Equations On Application of the Fixed-Point Theorem to the Solution of Ordinary Differential Equations

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Eziokwu C. Emmanuel

Abstract

We know that a large number of problems in differential equations can be reduced to finding the solution x to an equation of the form Tx=y. The operator T maps a subset of a Banach space X into another Banach space Y and y is a known element of Y. If y=0 and Tx=Ux−x, for another operator U, the equation Tx=y is equivalent to the equation Ux=x. Naturally, to solve Ux=x, we must assume that the range R (U) and the domain D (U) have points in common. Points x for which Ux=x are called fixed points of the operator U. In this work, we state the main fixed-point theorems that are most widely used in the field of differential equations. These are the Banach contraction principle, the Schauder–Tychonoff theorem, and the Leray–Schauder theorem. We will only prove the first theorem and then proceed.

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How to Cite
Emmanuel, E. C. (2019). On Application of the Fixed-Point Theorem to the Solution of Ordinary Differential Equations: On Application of the Fixed-Point Theorem to the Solution of Ordinary Differential Equations. Asian Journal of Mathematical Sciences(AJMS), 3(2). Retrieved from https://ajms.in/index.php/ajms/article/view/204
Section
Research Article

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