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I noticed that it is possible to define an inverse for the convolution operator so that a functionfconvolved by itsconvolution-inverse[tex]f^{\ast-1}[/tex] gives the delta-function: [tex]f \ast f^{\ast-1} = \delta[/tex]

http://en.wikipedia.org/wiki/Convolution#Convolution_inverse

Which is the family of functions that admits this convolution inverse?

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# Convolution inverse

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