Riemann-Lebesgue lemma

== English == === Etymology === Named after German mathematician Bernhard Riemann and French mathematician Henri Lebesgue. === Noun === Riemann-Lebesgue lemma (mathematical analysis) A lemma, of importance in harmonic analysis and asymptotic analysis, stating that the Fourier transform or Laplace transform of an L1 function vanishes at infinity. ==== Translations ====