works on

From the 1 of 11 linked papers with an AI index.

collaborators

11 papers

cs.AI2026

Learning What to Remember and What to Internalize in LLM Self-Evolution via Adaptive Memory-Parameter Coordination

Tianyun Ji, Zhenya Huang, Jiayu Liu +3

Large language model agents increasingly operate in dynamic environments where tool interfaces, APIs, and user requirements change after deployment. Existing self-evolution methods…

cs.AI2026

MathCoPilot: An Interactive System for Human-AI Symbiotic Paradigm of Mathematical Research

Junjie Zhang, Jiayu Liu, Wenbin Liu +11

MathCoPilot is an interactive, human‑in‑the‑loop system that lets mathematicians steer AI agents to formalize and verify mathematical proofs in Lean, combining a live proof bluepri…

cs.LG2026

Step-Level Sparse Autoencoder for Reasoning Process Interpretation

Xuan Yang, Jiayu Liu, Yuhang Lai +3

Large Language Models (LLMs) have achieved strong complex reasoning capabilities through Chain-of-Thought (CoT) reasoning. However, their reasoning patterns remain too complicated…

cs.SE2026

SWE-Mutation: Can LLMs Generate Reliable Test Suites in Software Engineering?

Yuxuan Sun, Yuze Zhao, Yufeng Wang +6

Evaluating software engineering capabilities has become a core component of modern large language models (LLMs); however, the key bottleneck hindering further scaling lies not in t…

cs.AI2026

What Really Improves Mathematical Reasoning: Structured Reasoning Signals Beyond Pure Code

Yuze Zhao, Junpeng Fang, Lu Yu +6

Code has become a standard component of modern foundation language model (LM) training, yet its role beyond programming remains unclear. We revisit the claim that code improves rea…

cs.AI2026

Pruning Long Chain-of-Thought of Large Reasoning Models via Small-Scale Preference Optimization

Bin Hong, Jiayu Liu, Kai Zhang +3

Recent advances in Large Reasoning Models (LRMs) have demonstrated strong performance on complex tasks through long Chain-of-Thought (CoT) reasoning. However, their lengthy outputs…