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hiromn2/README.md

Mateus Hiro Nagata

🎓 MRes in Economics & Decision Sciences — HEC Paris
🎓 MA in Economic Theory — ITAM Mexico
🎓 BSc in Economic Sciences — University of Brasília

Quantitative researcher working at the intersection of statistical physics, economic theory, and machine learning. Heavy-tail modeling, extreme value theory, and multi-agent learning dynamics. 4 peer-reviewed publications (150+ citations). Currently seeking roles as a Quantitative Researcher, Data Scientist, or ML Engineer.


Flagship Projects

  • Truncated Lévy Flights: Heavy-tail return modeling connecting bounded empirical distributions with power-law tails; basis for two published papers in Physica A and Chaos, Solitons & Fractals.
  • Correlated Q-Learning: Multi-agent learning algorithm connecting correlated equilibrium, quantal response, and algorithmic stability.
  • ML vs Decision Theory: Benchmarking ML models against structural economic models (CPT, EUT) on behavioral data.

Publications


Skills

Methods: Extreme Value Theory · Lévy Processes · GARCH/EGARCH · Causal Inference · Multi-Agent RL · Mechanism Design
Tools: Python (PyTorch · XGBoost · LightGBM · scikit-learn) · R · SQL · C
Languages: Japanese (JLPT N1) · English · Mandarin (HSK 5) · Portuguese · Spanish


Find Me

🌐 Portfolio · LinkedIn · Google Scholar

Pinned Loading

  1. Correlated-Q-Learning Correlated-Q-Learning Public

    Multi-agent learning algorithm bridging correlated equilibrium, quantal response equilibrium, and algorithmic stability in game-theoretic settings

    Jupyter Notebook

  2. ml-vs-dt ml-vs-dt Public

    Structural comparison of ML models against economic decision theory (CPT, EUT) on behavioral risk data; published in Chaos, Solitons & Fractals

    Python

  3. truncated-levy-flights truncated-levy-flights Public

    Heavy-tail modeling of financial returns via truncated Lévy flights; three publications in Physica A and Chaos, Solitons & Fractals (150+ citations)

    R