Research Notes
An accumulation of exploratory results: small, beautiful findings, with plots and technical details
Writing
Thoughts on AI, cognition, philosophy, mathematics, and more
Projects
Simulations, tools, and experiments I've built
Journey
From management to e-commerce to AI research — the path so far
Bookshelf
Books I've read, with notes and reviews
Sida Liu
A learner in the complex world
Doing exploratory research on the internals of large language models — observing the residual stream, attention patterns, and other hidden states to understand how these models actually work under the hood.