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Turkish Journal of Mathematics

DOI

10.55730/1300-0098.3506

Abstract

Gelfand and Shilov give the definition of the composition δ(g(x)) for an infinitely differentiable function g(x) having any number of simple roots. In the paper, we consider their definition for an infinitely differentiable function having any number of multiple roots by using the method of the discarding of unwanted infinite quantities from asymptotic expansions and give some examples. Further, we define the compositions δ(g+) and δ(g−) for a locally summable function g(x).

Keywords

Regular sequence, divergent integral, Hadamard's finite part, distribution, neutrices, Dirac-delta function

First Page

279

Last Page

295

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Mathematics Commons

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