collaborators

6 papers

cs.AI2026

The Power of Power Law: Asymmetry Enables Compositional Reasoning

Zixuan Wang, Xingyu Dang, Jason D. Lee +1

Natural language data follows a power-law distribution, with most knowledge and skills appearing at very low frequency. While a common intuition suggests that reweighting or curati…

cs.CL2026

DiscoLoop: Looping Discrete Embeddings and Continuous Hidden States for Multi-hop Reasoning

Hengyu Fu, Tianyu Guo, Zixuan Wang +5

Large language models achieve strong performance on many reasoning tasks when allowed to externalize intermediate steps as Chain-of-Thought (CoT). However, many questions require t…

cs.LG2026

Transformers Provably Learn to Internalize Chain-of-Thought

Yixiao Huang, Hanlin Zhu, Zixuan Wang +4

Chain-of-Thought (CoT) prompting substantially improves the sample efficiency of transformers, reducing the complexity of tasks like parity learning from exponential to polynomial…

cs.CL2026

Fin-R1: A Large Language Model for Financial Reasoning through Reinforcement Learning

Zhaowei Liu, Xin Guo, Zhi Yang +14

In recent years, general-purpose large language models (LLMs) such as GPT, Gemini, Claude, and DeepSeek have advanced at an unprecedented pace. Despite these achievements, their ap…

cs.CL2025

FinEval-KR: A Financial Domain Evaluation Framework for Large Language Models' Knowledge and Reasoning

Shaoyu Dou, Yutian Shen, Mofan Chen +9

Large Language Models (LLMs) demonstrate significant potential but face challenges in complex financial reasoning tasks requiring both domain knowledge and sophisticated reasoning.…

cs.CL2025

FinGAIA: A Chinese Benchmark for AI Agents in Real-World Financial Domain

Lingfeng Zeng, Fangqi Lou, Zixuan Wang +18

The booming development of AI agents presents unprecedented opportunities for automating complex tasks across various domains. However, their multi-step, multi-tool collaboration c…