Author

Tianyi Zhou

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#machine learning Preprint Oct 2026

Failure Recovery via Belief Updates and World Modeling for Long-Horizon Agents

Long-horizon agents often struggle to recover from failures whose causes lie several steps earlier, beyond what local reflection or backtracking can resolve. We introduce BELIEFWEAVER, a framework that combines persistent evidence across attempts with prospective reasoning over repair directions. It maintains a relatio...

Xi-Yang Wu, Zhi-Chao Liu, Sheng Zhang et al. · 0 citations

#artificial intelligence Apr 2026

Convergent Evolution: How Different Language Models Learn Similar Number Representations

This paper identifies two different routes through which models can acquire geometrically separable features: they can learn them from complementary co-occurrence signals in general language data, including text-number co-occurrence and cross-number interaction, or from multi-token addition problems.

Deqing Fu, Tianyi Zhou, Mikhail Belkin et al. · arXiv.org · 3 citations