The Signed Geometry of One-Shot Recourse: On-Path Validity and the Signed-Curvature Criterion
arXiv:2609.36252v1 Announce Type: cross Abstract: Closed-form recourse moves a rejected user along the unit gradient $\hat g$ of the classifier score $f$ by the promised distance $d_p=|f(x)|/\|\nabla f(x)\|$, at which the linearized score reaches zero. We ask when this one-shot step succeeds and wh…
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- 2026-09-30 04:00 · arXiv stat.ML
The Signed Geometry of One-Shot Recourse: On-Path Validity and the Signed-Curvature Criterion