Brian Kitano

How to stop burning yourself out

You can't be derivative if you don't create at all

Parity survives random restrictions — the closure property that lets the Furst-Saxe-Sipser depth reduction iterate, and what other functions share it

Building equality checkers, multiplexers, and memory registers from bare logic gates — toward classifying what neural networks can compute

Carry-lookahead addition in constant depth, iterated sums, and a full proof that parity is not in AC0 — why shallow circuits with unbounded fan-in still can't count

From a card trick to a theorem — how permutation groups encode boolean logic, why state tracking is NC1-complete, and what that means for transformers

Culmination never arrives in the big moments — it finds you at the espresso machine.

A letter written at eighteen, opened ten years later on the eve of a wedding.

When you can afford everything and have nothing to sacrifice, you stop knowing what you value.

Three hidden costs of founding a company — poverty of validation, poverty of presence, poverty of money — and how to make peace with each

We extend tremendous care to our friends but rarely direct it inward.

Why smart people plateau — the moment you stop coasting on intellect and realize no one else is coming to choreograph your life