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Xichen Zhang's picture
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Xichen Zhang

hkuzxc
John6666's profile picture
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  • hkuzxc

AI & ML interests

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Recent Activity

authored a paper 14 days ago
Scaf-GRPO: Scaffolded Group Relative Policy Optimization for Enhancing LLM Reasoning
authored a paper 14 days ago
SearchGym: Bootstrapping Real-World Search Agents via Cost-Effective and High-Fidelity Environment Simulation
authored a paper 14 days ago
VisionDirector: Vision-Language Guided Closed-Loop Refinement for Generative Image Synthesis
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upvoted a paper 4 months ago

MiroThinker: Pushing the Performance Boundaries of Open-Source Research Agents via Model, Context, and Interactive Scaling

Paper • 2511.11793 • Published Nov 14, 2025 • 191
upvoted a paper 8 months ago

VisionThink: Smart and Efficient Vision Language Model via Reinforcement Learning

Paper • 2507.13348 • Published Jul 17, 2025 • 79
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