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cs.AI2026

Agent Reinforcement Learning via Pivotal-Aware Self-Feedback Retry

Weiyang Guo, Zesheng Shi, Longhui Zhang +3

Large language model (LLM) agents have shown strong decision-making capabilities in long-horizon interactive tasks, yet they still struggle to effectively leverage failed trajector…

cs.AI2026

Skill Weaving: Efficient LLM Improvement via Modular Skillpacks

Zhuo Li, Guodong Du, Zesheng Shi +5

Large language models increasingly require specialization across diverse domains, yet existing approaches struggle to balance multi-domain capacities with strict memory and inferen…

cs.AI2026

E3-TIR: Enhanced Experience Exploitation for Tool-Integrated Reasoning

Weiyang Guo, Zesheng Shi, Liye Zhao +5

While Large Language Models (LLMs) have demonstrated significant potential in Tool-Integrated Reasoning (TIR), existing training paradigms face significant limitations: Zero-RL suf…

cs.AI2025

MedCoAct: Confidence-Aware Multi-Agent Collaboration for Complete Clinical Decision

Hongjie Zheng, Zesheng Shi, Ping Yi

Autonomous agents utilizing Large Language Models (LLMs) have demonstrated remarkable capabilities in isolated medical tasks like diagnosis and image analysis, but struggle with in…

cs.AI2025

Jailbreak-R1: Exploring the Jailbreak Capabilities of LLMs via Reinforcement Learning

Weiyang Guo, Zesheng Shi, Zhuo Li +6

As large language models (LLMs) grow in power and influence, ensuring their safety and preventing harmful output becomes critical. Automated red teaming serves as a tool to detect…

cs.AI2025

Knowledge Fusion of Large Language Models Via Modular SkillPacks

Guodong Du, Zhuo Li, Xuanning Zhou +9

Cross-capability transfer is a key challenge in large language model (LLM) research, with applications in multi-task integration, model compression, and continual learning. Recent…