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arXiv cs.LG AI Research Apr 20

The Spectral Geometry of Thought: Phase Transitions, Instruction Reversal, Token-Level Dynamics, and Perfect Correctness Prediction in How Transformers Reason

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Researchers have identified spectral phase transitions in the hidden activation spaces of large language models during reasoning versus factual recall. The study analyzes 11 models across 5 architectures to show how spectral properties can predict reasoning steps and correctness.

Why it matters Mapping the geometric boundaries of reasoning provides a diagnostic framework for understanding how instruction tuning fundamentally reshapes model internal dynamics.
Read the original at arXiv cs.LG

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Qwen Llama DeepSeek

Tags

#llm reasoning #spectral analysis #transformer dynamics #phase transitions

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