Haozhe Zhang
2 indexed papers
Recent (6 mo)
2With code
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226
Top categories
ML×1AI×1Crypto×1
Frequent co-authors
Research Timeline
2026
A First Measurement Study on Authentication Security in Real-World Remote MCP Servers
This study provides the first measurement of authentication security in real-world remote Model Context Protocol (MCP) servers, finding pervasive and critical authentication weaknesses, particularly in dynamic client registration.
HPO: Hysteretic Policy Optimization for Stable and Efficient Training under Sparse-Reward Regime
The paper proposes Hysteretic Policy Optimization (HPO) and its adaptive variant (A-HPO) to stabilize reinforcement learning training in sparse-reward environments by better balancing positive and negative advantage updates.
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Papers
cs.LGcs.AIRecentMay 28, 2026
HPO: Hysteretic Policy Optimization for Stable and Efficient Training under Sparse-Reward Regime
The paper proposes Hysteretic Policy Optimization (HPO) and its adaptive variant (A-HPO) to stabilize reinforcement learning training in sparse-reward environments by better balancing positive and neg…
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cs.CRRecentMay 21, 2026