Normed tensor Gaussian splatters are useful too.

From https://news.ycombinator.com/item?id=49855122 re: gravity from QED without any GR spacetime curvature, using the ~amplituhedron to solve n-body gravity with scattering amplitudes, and SQG/DDF:

> normed tensor gaussian splatters work well as a simulation primitive for this too because they do conservation.