Publications
Publications can also be found on my
Google Scholar page.
2026
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Improved Gradient Descent Lower Bounds Beyond Nesterov
Yuhan Ye, Kaizhao Liu
Preprint, 2026
Convex Optimization
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On the Cardinality of the Smith Set Under Impartial Culture with Many Alternatives
with Zachary Berchenko
Preprint, 2026
Social Choice Theory
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Propagation of Chaos in Contextual Flow Maps
with Shi Chen, Zhengjiang Lin, and Philippe Rigollet
NeurIPS, 2026
Transformers
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Silver Rate Is (Almost) Optimal for Gradient Descent
with Yuhan Ye
Preprint, 2026
Convex Optimization
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Silver Rate Is (Almost) Optimal for Gradient Descent: The Strongly Convex Case
with Yuhan Ye
Preprint, 2026
Convex Optimization
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Statistical Impossibility and Possibility of Aligning LLMs with Human Preferences: From Condorcet Paradox to Nash Equilibrium
with Qi Long, Zhekun Shi, Weijie J. Su, and Jiancong Xiao
Annals of Statistics, 2026
LLM Alignment
Social Choice Theory
Game Theory
2025
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Error Bounds for Open Quantum Systems with Harmonic Bosonic Bath
with Jianfeng Lu
Quantum, 2025
Open Quantum Systems
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Fundamental Limits of Game-Theoretic LLM Alignment: Smith Consistency and Preference Matching
with Zhekun Shi, Qi Long, Weijie J. Su, and Jiancong Xiao
Preprint, 2025
LLM Alignment
Social Choice Theory
Game Theory
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Theoretical Tensions in RLHF: Reconciling Empirical Success with Inconsistencies in Social Choice Theory
Jiancong Xiao, Zhekun Shi, Kaizhao Liu, Qi Long, Weijie J. Su
Preprint, 2025
LLM Alignment
Social Choice Theory
2024
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Orthogonal Bootstrap: Efficient Simulation of Input Uncertainty
with Jose Blanchet, Lexing Ying, and Yiping Lu
ICML, 2024
Uncertainty Quantification
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The Local Landscape of Phase Retrieval Under Limited Samples
with Zihao Wang and Lei Wu
IEEE Transactions on Information Theory, 2024
Nonconvex Optimization
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