Xingyu Chen

DeepMath-103K: A Large-Scale, Challenging, Decontaminated, and Verifiable Mathematical Dataset for Advancing Reasoning

RLVER: Reinforcement Learning with Verifiable Emotion Rewards for Empathetic Agents

The Social Welfare Function Leaderboard: When LLM Agents Allocate Social Welfare

BatonVoice: An Operationalist Framework for Enhancing Controllable Speech Synthesis with Linguistic Intelligence from LLMs

The Hunger Game Debate: On the Emergence of Over-Competition in Multi-Agent Systems

Thoughts Are All Over the Place: On the Underthinking of Long Reasoning Models

RaSA: Rank-Sharing Low-Rank Adaptation

Two Experts Are All You Need for Steering Thinking: Reinforcing Cognitive Effort in MoE Reasoning Models Without Additional Training

The First Few Tokens Are All You Need: An Efficient and Effective Unsupervised Prefix Fine-Tuning Method for Reasoning Models

Do NOT Think That Much for 2+3=? On the Overthinking of Long Reasoning Models

Thoughts Are All Over the Place: On the Underthinking of o1-Like LLMs