On regularizations of the integral representation of Dirac delta function -- elementary approach
Abstract
The article presents, in an elementary way, but with mathematical precision and without harm to the intuition, the path from the integral representation to the Dirac delta, starting with Schwartz's functional approach. Next, the considered representation is presented in a more intuitive sequential approach, formulated by Mikusi\'nski and Sikorski. Finally, we present the third regularization that can be related to Sato's approach to distributions.
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