Author

Dennis Wei

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#artificial intelligence Preprint Sep 2026

From Concept Alignment to Causal Grounding: An Intervention Test of Chain-of-Thought Faithfulness

Chain-of-thought (CoT) can sound plausible yet be unfaithful to the model's underlying reasoning. Most prior work probes CoT faithfulness through input--output behavior or input attributions, leaving internal computation largely underexplored. We instead cast faithfulness as internal concept grounding: Does a large lan...

Qianli Wang, Yilong Wang, Dennis Wei et al. · 0 citations

#artificial intelligence Jan 2026

CoFrGeNet: Continued Fraction Architectures for Language Generation

The architecture family implementing this function class is named CoFrGeNets - Continued Fraction Generative Networks, and novel architectural components based on this function class that can replace Multi-head Attention and Feed-Forward Networks in Transformer blocks while requiring much fewer parameters are designed.

Amit Dhurandhar, Vijil Chenthamarakshan, Dennis Wei et al. · arXiv.org · 0 citations