High-Confidence Minimax Testing with Prescribed Errors

arXiv:2606.31593 2026 Theory 1 ideas extracted · analyzed Aug 29, 2026

What the math gives to ML

The paper’s transferable contribution is a binary testing reduction that keeps false-positive and false-negative targets separate instead of combining them into one error probability. This suggests a practical calibration objective for safety classifiers, OOD detectors, abstention gates, and reward models with asymmetric risk requirements. The most useful adaptation is to impose independent empirical constraints on type-I and type-II errors, while using the resulting directed KL and Jeffreys divergences as a separation regularizer for the model’s scalar score.

Ideas from this paper

Unverified Re-invented 2026

Prescribed-Error Jeffreys Calibration

Add a calibration loss that explicitly enforces independently prescribed false-positive and false-negative targets rather than optimizing symmetric accuracy or cross-entropy alone. Apply it to binary classifiers, OOD detectors, safety heads, or abstention gates, and use the binary Jeffreys divergence to encourage robust separation between null and alternative score distributions.

Useful5/10
Difficulty3/10
Novelty5/10
Paper: High-Confidence Minimax Testing with Prescribed Errors arXiv:2606.31593