Deprecated: $wgMWOAuthSharedUserIDs=false is deprecated, set $wgMWOAuthSharedUserIDs=true, $wgMWOAuthSharedUserSource='local' instead [Called from MediaWiki\HookContainer\HookContainer::run in /var/www/html/w/includes/HookContainer/HookContainer.php at line 135] in /var/www/html/w/includes/Debug/MWDebug.php on line 372
An extension of the definition on the compositions of the singular distributions - MaRDI portal

An extension of the definition on the compositions of the singular distributions (Q6544738)

From MaRDI portal





scientific article; zbMATH DE number 7854334
Language Label Description Also known as
English
An extension of the definition on the compositions of the singular distributions
scientific article; zbMATH DE number 7854334

    Statements

    An extension of the definition on the compositions of the singular distributions (English)
    0 references
    0 references
    27 May 2024
    0 references
    \textit{I. M. Gel'fand} and \textit{G. E. Shilov} [Generalized functions. Vol. I: Properties and operations. New York, NY: Academic Press (1964; Zbl 0115.33101)] have defined the compoşition \(\delta(g(x)) \) for an infinitely differentiable function \(g(x)\) having simple roots at \(x_1,x_2,\ldots,x_n\) where \(\delta(x)\) is the Dirac-delta function. In this paper, the author has extended this definition for an infinitely differentiable function having distinct multiple roots with the use of neutrices theory and also this composition has been examined for functions \(g\) which have different properties. As an application of these results, such illustrative examples have been provided. Furthermore, \(\delta(g_+)\) and \(\delta(g_-)\) have been defined for a locally summable function \(g(x)\).
    0 references
    0 references
    regular sequence
    0 references
    divergent integral
    0 references
    Hadamard's finite part
    0 references
    distribution
    0 references
    neutrices
    0 references
    Dirac-delta function
    0 references

    Identifiers