Abstract

For Euler’s differential equation of order n, a theorem is presented to give n solutions, by modifying a theorem given in a recent paper of the present authors in J. Adv. Math. Comput. Sci. 2018; 28(3): 1–15, and then the corresponding theorem in distribution theory is given. The latter theorem is compared with recent studies on Euler’s differential equation in distribution theory. A supplementary argument is provided on the solutions expressed by nonregular distributions, on the basis of nonstandard analysis and Laplace transform.

Highlights

  • In the preceding papers [1,2], linear differential equations of order n ∈ Z>0, with polynomial coefficients, are studied

  • A supplementary argument is provided on the solutions expressed by nonregular distributions, on the basis of nonstandard analysis and Laplace transform

  • In recent papers [5,6,7], the solution of the equation in distribution theory, which corresponds to Equation (7), is discussed

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Summary

Introduction

In the preceding papers [1,2], linear differential equations of order n ∈ Z>0 , with polynomial coefficients, are studied. In Reference [1,2], discussions are focused on the solution of Equation (3) with two blocks of classified terms. In recent papers [5,6,7], the solution of the equation in distribution theory, which corresponds to Equation (7), is discussed. In the Appendix A, a theorem is presented to show that there exist n and only n complementary solutions of a linear differential equation of order n, with constant coefficients, in terms of distribution theory. It guarantees the corresponding theorem on (7).

Theorems on the Solution of Euler’s Differential Equation
Preliminaries on Distribution Theory
Distributions in the Space D R0
Regular Distributions in the Space D R0
Euler’s Equation in the Space of Distributions D R0
AC-Laplace Transform of Euler’s Equation
Conclusions
Methods
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