Barker, L.2019-02-142019-02-1420000025-5793http://hdl.handle.net/11693/49522It is shown that the discrete fractional Fourier transform recovers the continuum fractional Fourier transform via a limiting process whereby inner products are preserved.EnglishThe discrete fractional Fourier transform and Harper's equationArticle10.1112/S00255793000158982041-7942