A Cauchy-Dirac Delta Function |
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| Authors: | Mikhail G Katz David Tall |
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| Institution: | 1. Department of Mathematics, Bar Ilan University, 52900, Ramat Gan, Israel
2. Mathematics Education Research Centre, University of Warwick, Coventry, CV4 7AL, UK
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| Abstract: | The Dirac δ function has solid roots in nineteenth century work in Fourier analysis and singular integrals by Cauchy and others, anticipating Dirac’s discovery by over a century, and illuminating the nature of Cauchy’s infinitesimals and his infinitesimal definition of δ. |
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