Gabriel Peyré on Twitter: "Oldies but goldies: Cooley, James W.; Tukey, John W., An algorithm for the machine calculation of complex Fourier series, 1965. Showed how to compute the discrete Fourier transform
![Gabriel Peyré on Twitter: "The Fourier slice theorem relates the 1D Fourier transform of Radon projections to the 2D transform of the image. Useful to analyze and invert scanner medical imaging. https://t.co/w1RkoyJmtk Gabriel Peyré on Twitter: "The Fourier slice theorem relates the 1D Fourier transform of Radon projections to the 2D transform of the image. Useful to analyze and invert scanner medical imaging. https://t.co/w1RkoyJmtk](https://pbs.twimg.com/media/E_81ZZyXMAEAOKV.jpg:large)
Gabriel Peyré on Twitter: "The Fourier slice theorem relates the 1D Fourier transform of Radon projections to the 2D transform of the image. Useful to analyze and invert scanner medical imaging. https://t.co/w1RkoyJmtk
Gabriel Peyré on Twitter: "Representation theory defines a Fourier transform on groups. Finite commutative groups correspond to the classical discrete Fourier transform. https://t.co/Kany2ueLmN https://t.co/agPR4YMypg https://t.co/sFvlbjC5yj" / Twitter
![Gabriel Peyré on Twitter: "The phase of the Fourier transform matters. https://t.co/DEvbzRrHvc https://t.co/aPJ9UKeSha" / Twitter Gabriel Peyré on Twitter: "The phase of the Fourier transform matters. https://t.co/DEvbzRrHvc https://t.co/aPJ9UKeSha" / Twitter](https://pbs.twimg.com/media/FiBCdTlWQAMkqFG.jpg)