Zheng Fang
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226
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Econometrics×1Stats Theory×1Stats Method.×1Stats ML×1Crypto×1AI×1NLP×1ML×1
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2026
Sparse Tokens Suffice: Jailbreaking Audio Language Models via Token-Aware Gradient Optimization
The paper introduces Token-Aware Gradient Optimization (TAGO), demonstrating that sparse optimization focusing only on high-gradient audio tokens is sufficient for effective jailbreaking of audio language models, making dense updates redundant.
Debiased Machine Learning: Identification, Estimation, and Shape Constraints
This paper develops a framework for identifying and estimating parameters of interest in automatic debiased machine learning using a Riesz representer, which is identified when it uniquely optimizes a quadratic functional.
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econ.EMmath.STstat.METheoreticalRecentJul 27, 2026
Debiased Machine Learning: Identification, Estimation, and Shape Constraints
This paper develops a framework for identifying and estimating parameters of interest in automatic debiased machine learning using a Riesz representer, which is identified when it uniquely optimizes a…
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cs.CRcs.AIcs.CLRecent