History
The operation
is a particular case of composition products considered by the Italian mathematician Vito Volterra in 1913.
Convolution is also sometimes called "Faltung" (which means folding in German); both Faltung and convolution were used as early as 1903, though the definition is rather unfamiliar in older uses. The term Faltung was sometimes used in English through the 1940s, before the notion of convolution became widely used, along with other terms such as composition product, superposition integral, and Carson's integral.
Read more about this topic: Convolution
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