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Zhangyi Liu

3 accepted papers

2026

PETS: A Principled Framework Towards Optimal Trajectory Allocation for Efficient Test-Time Self-Consistency

ICML 2026poster

Test-time scaling can improve model performance by aggregating stochastic reasoning trajectories. However, achieving sample-efficient test-time self-consistency under a limited budget remains an open challenge. We introduce PETS (\textbf{P}rincipled and \textbf{E}fficient \textbf{T}est-Time \textbf{…

Cited by 0SourceScholar
2025

Convergence of Mean-Field Langevin Stochastic Descent-Ascent for Distributional Minimax Optimization

ICML 2025spotlight

We study convergence properties of the discrete-time Mean-Field Langevin Stochastic Descent-Ascent (MFL-SDA) algorithm for solving distributional minimax optimization. These problems arise in various applications, such as zero-sum games, generative adversarial networks and distributionally robust le…

Cited by 0SourcePDFScholar
2025

PHYBench: Holistic Evaluation of Physical Perception and Reasoning in Large Language Models

NeurIPS 2025poster

Current benchmarks for evaluating the reasoning capabilities of Large Language Models (LLMs) face significant limitations: task oversimplification, data contamination, and flawed evaluation items. These deficiencies necessitate more rigorous assessment methods. To address these limitations, we intro…

Cited by 0SourceScholar