Arxiv: <a href="https://arxiv.org/abs/2207.14670" rel="nofollow noreferrer">https://arxiv.org/abs/2207.14670</a><p>If I understand correctly after skimming, one of the fundamental ideas behind this appears to be similar to the well-known Fast Multiple Method [1]. It’s also a tree-based approach where far away points are aggregated into larger chunks?<p>[1] <a href="https://en.m.wikipedia.org/wiki/Fast_multipole_method" rel="nofollow noreferrer">https://en.m.wikipedia.org/wiki/Fast_multipole_method</a>
Isn't this a stochastic variant of Barnes-Hut: <a href="https://en.wikipedia.org/wiki/Barnes%E2%80%93Hut_simulation" rel="nofollow noreferrer">https://en.wikipedia.org/wiki/Barnes%E2%80%93Hut_simulation</a>