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An introduction to neutrix composition of distributions and delta function


Citation

Kilicman, Adem and Fisher, Brian (2011) An introduction to neutrix composition of distributions and delta function. Malaysian Journal of Mathematical Sciences, 5 (2). pp. 197-209. ISSN 1823-8343; ESSN: 2289-750X

Abstract

The composition of the distribution g(s) (x) and an infinitely differentiable function f (x) having a simple zero at the point x = x0 is defined by Gel’fand Shilov by the equation g(s) (f (x)). It is shown how this definition can be extended to functions f (x) which are not necessarily infinitely differentiable or not having simple zeros at the point x = x0, by defining g(s) (f (x)) as the limit or neutrix limit of the sequence {g(s)n (f(x))} where {gn (x)} is a certain sequence of infinitely differentiable functions converging to the Dirac delta-function g(x). A number of examples are given.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
Institute for Mathematical Research
Publisher: Institute for Mathematical Research, Universiti Putra Malaysia
Keywords: Distribution; Delta-function; Composition of distributions; Neutrix; Neutrix limit
Depositing User: Nabilah Mustapa
Date Deposited: 04 Sep 2015 13:02
Last Modified: 04 Sep 2015 13:02
URI: http://psasir.upm.edu.my/id/eprint/38922
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