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viniruggeri/README.md

Vinícius Ruggeri

AI Research Engineer · BTG Pactual · São Paulo, Brazil

LinkedIn · arXiv · Email


Focus

Scientific Machine Learning and explainable AI for dynamical systems under uncertainty.

I work at the intersection of research and production — building interpretable models that extract governing structure from data, detect regime transitions, and quantify uncertainty in ways that are both mathematically grounded and operationally useful.

Core axis: SciML · xAI · dynamical systems · probabilistic inference


Research Projects

Lexis — Regime discovery in dynamical systems
BOCPD-based change point detection + SINDy sparse regression for governing equation recovery. Pareto-optimal model selection (accuracy vs. complexity). Applied to infrastructure monitoring — detected system degradation signals ahead of failure events.

HSP — Hidden Survival Paths (in progress)
Probabilistic estimator of local survivability under perturbation in dynamical systems. Formalizes basin persistence via phase space geometry + Bayesian uncertainty modeling. Targeting 2026 publication.

MIDAS
Causal inference framework for financial dynamical systems. Graph Neural Networks + control-theoretic modeling over dynamic graphs. Research-grade architecture. JAX / Equinox backend.

nova-selachiia — Ecological modeling under uncertainty
Neural State Space Models → Deep Markov Models with Monte Carlo sampling. Rare event modeling, survival analysis, and counterfactual reasoning.


Stack

Research: JAX · Equinox · Diffrax · Optax · PyTorch · PyG · SINDy · Neural SDEs
LLM Systems: LangChain · LangGraph · Agno · LiteLLM · Langfuse · RAG · MCP
Engineering: Python · R · Docker · Kubernetes · MLflow · ONNX · Neo4j · FAISS


Direction

Building toward a research-oriented MSc (Europe) with focus on SciML and interpretable dynamical systems. Open to collaborations at the boundary of scientific computing, probabilistic modeling, and real-world complex systems.

EU Citizen · Open to relocation

Pinned Loading

  1. rnn-pred rnn-pred Public

    modelo de serie temporal com attention para melhor precisão, ele avalia a quantidade de eventos extremos que podem ocorrer em são paulo/sp durante uma serie de 7 dias

    Python

  2. ceci ceci Public

    um agente de IA para o transporte público de SP! premiada em 3° no next 2025 da fiap

    Python 1

  3. midas-fdr midas-fdr Public

    uma ideia de deep research com reasoning w/ rag

    Python