Risk-controlled post-processing yields a threshold-structured policy that follows the baseline except where an oracle fallback sharply reduces conditional violation risk, achieving O(log n/n) expected excess risk in i.i.d. settings and exact risk control under exchangeability.
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Yau's affine-normal descent enables scalable unrestricted higher-moment portfolio optimization by working directly with the return matrix and exploiting quartic structure for exact oracles and line searches.
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Risk-Controlled Post-Processing of Decision Policies
Risk-controlled post-processing yields a threshold-structured policy that follows the baseline except where an oracle fallback sharply reduces conditional violation risk, achieving O(log n/n) expected excess risk in i.i.d. settings and exact risk control under exchangeability.
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Yau's Affine-Normal Descent for Large-Scale Unrestricted Higher-Moment Portfolio Optimization
Yau's affine-normal descent enables scalable unrestricted higher-moment portfolio optimization by working directly with the return matrix and exploiting quartic structure for exact oracles and line searches.