Author

Zihan Zhang

Observed name: Zhang, Zihan

Institutions: Microsoft (United States), Hong Kong University of Science and Technology

Observed institutions: Microsoft (United States), Hong Kong University of Science and Technology

OpenAlex ID: A5139159333

Group-Graph Policy Optimization for Long-Horizon Agentic Reinforcement Learning

2026 · Wang, Yunan, Song, Minghui, et al. · arXiv (Cornell University) · 16

Safe to Check, Unsafe to Use: Relinking at the Compression Boundary of LLM Agents

2026 · Liu, Zesen, Zhang, Zihan, et al. · arXiv (Cornell University) · 2

Cheap to Hypothesize, Costly to Verify: The Defense Surface of Agentic Vulnerability Discovery

2026 · Zhang, Kaikai, Zhang, Zihan, et al. · arXiv (Cornell University) · 1

Works count: 3

Citation count: 19

H-index: 2

I10-index: 1