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Dianbo Liu

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#machine learning Preprint Oct 2026

AF-Muon: An AdamW-Free Muon Optimizer for Tied-Embedding Models

Muon improves large-scale training by applying a spectral-norm steepest-descent update to matrix parameters, but practical models also contain parameter blocks that do not fit dense-matrix geometry. One important case is the tied vocabulary table, which appears in language models and other token generators and can rece...

Arash Lagzian, Paniz Halvachi, Jun-Ming Zhang et al. · 0 citations
#natural language process... Preprint Sep 2026

MIRAGE: Multi-Perspective Creative Language Model Reasoning with Reinforcement Learning Guidance

Recent advances in Large Language Models (LLMs) have revolutionized artificial intelligence and how human interact with AIs. Despite impressive advancements, LLMs struggle with complex mathematical, scientific, and logical tasks. Inspired by human cognitive flexibility - our ability to dynamically switch mental perspec...

Arash Lagzian, Srinivas Anumasa, Dian-Bo Liu · 0 citations

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