mknn-null-baseline-scales-as-o-k-over-n

OUT premise — summaries/2026/08/24/aristotelian-2026-s4-theoretical-motivation-spurious-alignment.md

Created 2026-08-24T17:10:50+00:00

The mutual k-NN (mKNN) neighborhood similarity metric has a null baseline of E[mKNN] = k/(n−1), scaling as O(k/n), which is far less confounded than spectral metrics because k ≪ d in practice and k is experimentally controllable.