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Author

Zhuo-Ya Zhao

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#artificial intelligence Preprint Oct 2026

PTGPO: Prefix Tree Group Policy Optimization

Training language agents on long-horizon interactive tasks is challenging because sparse terminal rewards provide weak credit signals for intermediate actions. Existing group-based methods either assign a shared trajectory-level advantage or estimate step-level advantages from state groups, which may conflate the curre...

Ruo-Lin Chen, Yang Li, Ji-Hang Wang et al. · 0 citations
#natural language process... Preprint Sep 2026

Large Language Models with At Most One Spike per Neuron

This work constructs a fully TTFS-based SNN architecture and train it end-to-end, and introduces a reference-based strategy specifically to encode the four core LLM components: embedding layers, layer normalization, attention-related operations and dropout.

Zhuo-Ya Zhao, Parsa Omidi, A. Jafari et al. · 0 citations

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