Smooth-gradient approximation of Fisher scores by extension to a closed manifold
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Yes: for every such (M, g) and rho there are phi_j smooth up to the boundary with the weighted L^2 error tending to zero, by Sobolev extension of sqrt(rho) to the double of M, Erbar's subdifferential theorem there, and restriction..
Claims
Files and sources
- Paper
- AIM @ a153f46, 618-fisher-score/PROOF.md ↗
- Posted on GitHub
- 1 October 2026
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