MellinConvolve
MellinConvolve[f, g, x, y] gives the Mellin convolution with respect to x of the expressions f and g.
MellinConvolve[f, g, {x1, x2, ...}, {y1, y2, ...}]gives the multidimensional Mellin convolution.
Examples
MellinConvolve[Exp[-x], Exp[-x], x, y]MellinConvolve[x^2, x^3, x, y]Please visit the official Wolfram Language Reference for more details.