Author

Xiao-Ran Shang

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#machine learning Preprint Sep 2026

MetaRSI / RSI2: A Meta-Recursive Self-Improving System for Recursive Self-Improving Systems Themselves

Recursive self-improvement (RSI) lets a system improve the model-building machinery from its own failures, so every later model inherits the gain. Yet RSI has been validated almost exclusively on coding and formal benchmarks such as science QA and mathematics. This format bound limits RSI to improvement within a machin...

Zi-Hang Tan, Lei-Xin Sun, Zi-Tong Shi et al. · 0 citations

Preprint Aug 2026

Multi-Branch Policy Optimization for Multimodal Large Language Models

This work proposes Multi-Branch Policy Optimization (MBPO), a tree-based framework that constructs reasoning trees at vision-language decision boundaries, enabling sibling branches to explore diverse visual hypotheses and assigning segment-level credit through branch-relative advantages.

Shuai Lyu, Yu-Ning Gong, Rui-Ling Gao et al. · 0 citations