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Jin Cui

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#natural language process... Preprint Oct 2026

MemDuet: Learning Dual-Process Memory for Long-Context Reasoning

Reasoning over infinitely long documents is becoming a reality with recurrent memory agents. However, increasing context length exacerbates the trade-off between reasoning performance and inference efficiency. Inspired by Kahneman's account of fast and slow thinking, we propose MemDuet, a dual-process memory framework...

Jiang-Cheng Song, Hao-Dong Jing, Yu-Ling Mu et al. · 0 citations
#artificial intelligence Preprint Sep 2026

The Model Knows Another Way: Strategy Switching for Effective RLVR Exploration

This work introduces Problem--Strategy Rollout Allocation (PSRA), which treats unguided and strategy-conditioned prompts as competing exploration arms and uses Bayesian sequential allocation to direct a fixed rollout budget toward arms most likely to yield informative, non-saturated groups.

Jin Cui, Xin-Yue Long, Bo-Ran Zhao et al. · 1 citation
Preprint Aug 2026

StrataVLA: Hierarchical and Efficient 3D Geometric Grounding for Vision-Language-Action Models

StrataVLA is introduced, a plug-and-play framework for hierarchical geometry grounding that achieves 98.53% average success on LIBERO suites while reducing geometry-model invocations by up to 88%, establishing hierarchical geometry injection as an effective and efficient way to achieve spatially grounded robotic contro...

Jin Cui, Zhao Pu, Bo Cai et al. · 0 citations
Preprint Aug 2026

Look Where It Matters: Adaptive Visual Refinement for Vision-Language-Action Models

AtVLA, a framework that inserts learnable register tokens into the visual encoder and improves the average LIBERO success rate, is introduced, a framework that inserts learnable register tokens into the visual encoder and improves the average LIBERO success rate.

Jin Cui, Yanbin Hu, Xin-Yue Long et al. · 1 citation

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