Distribution support
Distributions - Convolution and Fourier transform

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Distribution support


Distributions - Convolution and Fourier transform

Author : Michel DOISY

Publication date: April 10, 2005, Review date: April 26, 2021 | Lire en français

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1. Distribution support

This is an important notion, particularly for the definition of the convolution product of distributions.

Recall that if f is a function of in , its support is the complementary of the largest open on which it cancels. Or again: Supp(f)={x/f(x)0}

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