I am asked to give the convolution of $|x|^2$ and $\delta_S$, where $\delta_S$ is the simple layer on the sphere $S = \{ x \in \mathbb{R}^3 : |x|=1 \}$. But, my main problem is that I d'ont understand the meaning of this convolution. Do I need to integrate $|x|^2$ on the unit sphere?
2026-04-04 02:35:10.1775270110
Convolution of $|x|^2$ and $\delta_S$
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