4. Harmonic-analysis method🔗

The group-theoretic discovery method of arXiv:2405.13682, organized around quasi-invariant representations, intertwiners, and Schur's lemma. This entire subtree is development-only.

1. 4.1. Harmonic-analysis method: arXiv:2405.13682 implementation map
2. 4.2. Harmonic-analysis method: representations and intertwiners
3. 4.3. Harmonic-analysis method: the affine Mackey model
4. 4.4. Harmonic-analysis method: reconstruction and architectures
5. 4.5. Harmonic-analysis method: the quadratic-form network