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  • Transformers for In-Context PDE Solving and Inverse Problems transformers for inverse problems on PDEs, Part 2: Inferring Unknown PDE Coefficients From Examples

    When the PDE operator changes across tasks, the prompt becomes an inverse problem for the hidden coefficient vector.

    8 min read   ·   May 14, 2026

    2026   ·   transformers   pde   in-context-learning   ·   research

  • Muon and controlled training dynamics Muon for Phase Retrieval I: Learning Hidden Directions with One Fixed Power

    A non-technical introduction to how a fixed Muon power changes which hidden directions are learned first.

    10 min read   ·   May 01, 2026

    2026   ·   muon   phase-retrieval   random-matrix   learning-curves   ·   blog

  • Transformers for In-Context PDE Solving and Inverse Problems transformers for inverse problems on PDEs, Part 1: Solving Many PDE Inputs With One Learned Decoder

    Start here: the PDE operator is fixed, so the transformer decoder is tested as a reusable preconditioned solver.

    8 min read   ·   May 01, 2026

    2026   ·   transformers   pde   in-context-learning   ·   research

  • A simple proof of an ENS Ulm exercise using Liouville's theorem

    A simple proof using discrete harmonic functions and Liouville's theorem

    4 min read   ·   September 18, 2022

    2022   ·   analysis   harmonic-functions   liouville-theorem   discrete-math   ·   mathematics

  • A simplified proof of an integral identity using density arguments

    A simplified proof of Theorem 2 using density arguments, avoiding lengthy variable changes

    5 min read   ·   June 18, 2022

    2022   ·   analysis   integration   density-arguments   analytic-number-theory   ·   mathematics

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