Tomer Barak

Research Blog

Thoughts on neural networks, cognitive science, and scales of description

Blog

Exploring the intersection of neural networks, cognitive science, and scales of description

Scale Dynamics: Beyond the Linear Approximation

This post builds on our earlier work, “From time to scale: A gentle introduction to scale dynamics”, where we introduced the idea of treating the Hamiltonian itself as a dynamic coordinate that evolves with scale rather than time.

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May 15, 2025

From time to scale: A gentle introduction to scale dynamics

Scale Dynamics Renormalization Group Hamiltonian Mechanics

Physics is full of levels of description – atoms, molecules, fluids; spins, domains, magnets. We usually fix the level and then ask how the variables...

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May 12, 2025

We refuse to lose our agency

AI Agents Agency LLM Agents

In the rapidly evolving landscape of AI assistants and agents, there’s a curious psychological barrier I’ve encountered—one that may significantly shape how we build and...

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April 29, 2025

The mathematical foundations of scale theory: Bridging micro and macro phenomena

Scale Theory Multi-scale Systems Complex Systems

In our quest to understand the universe, we’ve developed sophisticated tools for investigating phenomena at particular scales—from quantum mechanics at the subatomic level to general...

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April 27, 2025

Giving LLM agents a life of their own through self-messaging

BarakBot Self-Referential LLM Agents

BarakBot: agents that talk to themselves (and the world)

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