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Thom-320/README.md

Thomas Chisica Londoño

Applied Mathematics & Computer Science undergraduate at Universidad del Rosario, Bogotá.

I build simulations, learning experiments and scientific software, then test their claims with strong baselines, held-out evaluation and explicit controls. My experience spans reinforcement learning, recurrent networks, spectral representations and retrieval-augmented LLM systems. My research interests are reasoning agents, optimisation, formal verification and computational neuroscience.

I bring applied mathematics and research engineering together: building an experiment is the starting point; understanding what its comparison establishes is the research question.

CV (PDF) · University email · Project guide

Research: start here

Project My work and what to inspect
SCRES: simulation and reinforcement learning Research with Alexander Garrido: supply-chain simulation, Gymnasium/PPO experiments and matched-comparator evaluation. Start with the same-contract comparison.
Motor-RNN connectivity Neuromatch Computational Neuroscience team project, followed by my independent equal-plasticity control. The control note separates structural density from trainable connections.
Spectral analysis of cognitive labor My reanalysis of Andrade-Lotero and Goldstone's human-search experiment. The temporal audit reconstructs past-only features and compares spectral and coordinate representations; predictive advantage is not established.

Software and scientific computing

  • HeliOS: a collaborative educational RISC-V kernel in C to which I contributed; architecture notes and QEMU smoke tests.
  • ContratIA Abierta: open-procurement data pipelines, APIs and traceable signals for human review, not automated allegations.
  • ChaosLab: a course project on double-pendulum dynamics, numerical checks and interactive explanation.

Additional experience (private code)

  • Witty — LLM retrieval systems: built a professional FastAPI prototype with embeddings, optional FAISS search and LLM rewriting, and heuristic answer/escalate routing. This is retrieval and software-engineering experience, not model fine-tuning or calibrated uncertainty guarantees.
  • Numerical analysis: implemented root-finding and quadrature methods in Python with analytical cases and convergence/error checks as coursework.
  • Marmot social networks: observation-aware dyadic tables and a NetLogo/R model audit with Python and native-runtime checks, with Adriana Maldonado-Chaparro.

These entries are described in the CV, not offered as public reproductions. Private code, collaborator data and professional materials stay private.

Tools I use: Python, PyTorch, NumPy/SciPy, NetworkX, SimPy, Gymnasium, R, C, SQL, FastAPI, Git and pytest.

The linked PDF is the public distribution copy of my CV. Its editable source and version history are maintained separately; this profile is the guide to the work, not a second CV.

Pinned Loading

  1. scres-ia scres-ia Public

    Supply-chain simulation and RL policy evaluation: matched comparators, held-out tests and documented limits

    Python

  2. nma-motor-rnn-connectivity nma-motor-rnn-connectivity Public

    NumPy motor-RNN experiments: paired seeds, held-out evaluation and an equal-plasticity control (Neuromatch)

    Python 1

  3. spectral-cognitive-labor spectral-cognitive-labor Public

    Human collective-search reanalysis: past-only features and invariant spectral vs coordinate representations

    Python

  4. HeliOS HeliOS Public

    Collaborative educational RISC-V kernel in C with QEMU runtime checks

    C 1

  5. secop-risk-alerts-co secop-risk-alerts-co Public

    Colombian open-procurement data pipelines and interpretable signals for human review

    Python

  6. chaoslab-double-pendulum chaoslab-double-pendulum Public

    Physics course project: double-pendulum simulation, energy checks and interactive scientific visualization

    JavaScript