Ziming Liu
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  • Bigram 3 -- Low Rank Structure

    4 min read   ·   January 19, 2026

    2026   ·   Physics-of-AI   Bigram   Toy-language     ·   AI  

  • Bigram 2 -- Emergence of Hyperbolic Spaces

    9 min read   ·   January 16, 2026

    2026   ·   Physics-of-AI   Bigram   Toy-language     ·   AI  

  • Bigram 1 -- Walk on a Circle

    6 min read   ·   January 15, 2026

    2026   ·   Physics-of-AI   Bigram   Toy-language     ·   AI  

  • Diffusion 1 -- Sparse and Dense Neurons

    4 min read   ·   January 14, 2026

    2026   ·   Physics-of-AI   Diffusion     ·   AI  

  • Sparse attention 4 -- previous token head

    7 min read   ·   January 13, 2026

    2026   ·   Physics-of-AI   Sparse-attention     ·   AI  

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