Research

Research

Original research and technical investigations — cross-domain problems, rigorous methods, reproducible results.

2 papers

  • Oceanography17 min read

    Can Netflix Math Map the Ocean? A Negative Result Worth Sharing

    Matrix completion — the math behind Netflix recommendations — fails 5x worse than standard interpolation on ocean temperature data. The reason is a one-paragraph proof about what the algorithm can't see.

    Joseph A. Poehlein
    Oceanography
  • Atmospheric Science4 min read

    After the Re-audit: Why the Tornado-ERA5 Signal Does Not Survive

    A V2 re-audit of the original tornado-ERA5 draft found that the headline signal should not stand. Eleven rerun packets plus five verdict-only packets retired the original claims across five mechanisms: post-event leakage, multiplicity, catalog sensitivity, source absence, and confirmed negatives. This rewrite replaces the original narrative with what survived, what was retired, and how future AI-assisted research should be gated at n=0.

    Joseph A. Poehlein
    Atmospheric Science