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Author

Peng Liu

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Preprint Oct 2026

Robust distortion riskmetrics under symmetry, unimodality, and Wasserstein constraints

We study worst-case distortion riskmetrics over symmetric distributions with prescribed mean and variance in a Wasserstein ball around a reference distribution. Our key contribution is the construction of a reference-dependent auxiliary distortion that encodes the Wasserstein constraint while preserving symmetry under...

Peng Liu, Yi-Ying Zhang, Bai-Shuai Zuo · 0 citations

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