Research Projects

Ising model lattice near its critical temperature, showing clusters of aligned spins at every scale

Brain Criticality Theory

Exploring how neural systems may operate at critical points between order and disorder for optimal information processing.

Computational NeuroscienceStatistical PhysicsComplex Systems

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Racing line on the re:Invent 2018 track, colored by target speed

First Place in CEDC AI Grand Prix 2026

How a linear regression on track waypoints became a first-place AWS DeepRacer model: a hidden expert in the reward function, a physics-based racing line, and a teacher damped to stop the wobble.

Reinforcement LearningImitation LearningControl TheoryHPC

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A simulated culture of spiking neurons on an electrode array, with a spike raster along the bottom

Neurons Playing Doom

A simulated dish of neurons learns to play Doom with no reward, only predictable and unpredictable stimulation. A hands-on tour of the free energy principle, maximum entropy and Bayesian inference.

Free Energy PrincipleBayesian InferenceSpiking Neural NetworksComputational Neuroscience

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$The Lorenz attractor behind the voltage trace of a firing integrate-and-fire neuron$

The Mathematical Beauty of a Neuron

Build a neuron from its equations: an RK4 solver tested on the Lorenz butterfly, the integrate-and-fire family and the shape of a spike, synapses, and STDP, ending with one neuron that learns which inputs belong together.

Numerical MethodsSpiking Neuron ModelsSynaptic PlasticityComputational Neuroscience

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