Critical synchronization in coupled population cycles: GPU Monte Carlo of a noisy Ricker lattice: locating the critical point where population cycles fall into step, and what shared shocks such as droughts do to it.
Systematic equity alpha research: Cross-sectional equity signals for WorldQuant BRAIN, and an automated harness that runs thousands of backtests a day.
Estimating the Delhi Metro in 3D: Track heights aren’t published. I estimated them for all 272 stations from five surveyed anchors, terrain data and engineering priors, with a range on every point.
A quantitative model of geopolitical risk: A research plan for an AI system that scores which countries a crisis actually affects, with the evidence behind every number.
LLM extraction for a 50,000-entry bibliography: A 50,000-entry Pompeii bibliography that existed only in print, turned into a clean database by language models and checked by AI agents.