الباحثون

Jie Ren

المنشورات 6

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Non-Hermitian Cooperation Induced Chern Insulator

Weiwei Zhu, Bingbing Wang, Mengxiang Xie وآخرون · 2026

Conventional Chern insulators rely on breaking time-reversal symmetry via magnetic fields or synthetic gauge fields. Here we introduce a fundamentally different paradigm: a static lattice without any gauge field becomes a Chern insulator solely through the cooperation of two non-Hermitian ingredients: on-site loss and …

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ScribbleEdit: A Benchmark for Scribble-Only Image Editing

Jie Ren, Hao Kang, Kai Guo وآخرون · 2026

Scribble-based interaction provides a lightweight and intuitive way for users to specify image editing intents in interactive editing tools. However, current image editing models based on VLMs or LLMs struggle to understand and execute edits based solely on scribble inputs. To systematically study this problem, we cons …

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DHCG: Dynamic Construction of Hierarchical Collaboration Graphs for LLM-Based Multi-Agent Reasoning

Jie Ren, Jiakang Yuan, Chenyu Huang وآخرون · 2026

LLM-based multi-agent systems (MAS) have demonstrated strong capabilities in solving complex problems across diverse domains. Recently, the dynamic orchestration of agent systems has become an important research direction. However, existing methods suffer from limited composition, misaligned dependencies, and inflexibl …

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Memory-Efficient Expert Routing for Distributed MoE Training

As Mixture-of-Experts (MoE) models scale toward hundreds of experts and higher top-$k$ routing, memory efficiency in distributed training becomes a critical bottleneck. Peak memory is dominated by the MoE block, not attention: every intermediate buffer in the MoE dispatch pipeline is individually scaled by top-k routin …

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How to Better Train VLAs: Lessons Learned From the REAL-I Challenge at ICRA 2026

Jiaming Wang, Jizhuo Chen, Diwen Liu وآخرون · 2026

How can robot policies learn more effectively from a fixed demonstration budget? The first Real-world Embodied AI Learning (REAL-I) Challenge at ICRA 2026 examined this question through simulation, real-robot evaluation, and an on-site final on a shared dual-arm humanoid platform. We describe the challenge tasks, data …

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