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Re: [HM] First Proof of inverse Fourier Transform
Posted:
Jan 27, 1999 12:38 AM


Alain Juhel asked:
> > Who could be the author of the first rigorous proof of the inversion > formula for the Fourier Transform? > Or is it considered as a mere byproduct of Dirichlet's ideas? > (although there is no quotation of it in Dirichlet's work)
It's some years since I looked into this, and in the end it is a question bound to have a less than definite answer. However, when I did look into these things in detail, I formed the view that the first rigorous proof was Pringsheim's in DDMV 16 (1907), pp. 216.
But I'm sure others will disagree.
Mike Deakin



