Kalmar “Fourier” tana nufin wani ɗan ƙasar Faransa mai ilimin lissafi mai suna Jean-Baptiste Joseph Fourier (1768-1830) wanda ya shahara da gudummawar da ya bayar a fannin nazarin lissafi, musamman nazarin yaɗuwar zafi da kuma wakilci na lokaci-lokaci. yana aiki azaman jimlar sine da ayyukan cosine marasa iyaka. Ana amfani da kalmar "Fourier" sau da yawa don komawa ga dabarun lissafi da ra'ayoyin da ya ɓullo da su, gami da jerin Fourier, Fourier transforms, and Fourier analysis.