Markov Chain Norris May 2026

The past came flooding back, not as a sequence of independent steps, but as a single, unbearable weight. And he realized his great mistake: a Markov chain is a beautiful abstraction, but a human being is not. A human being carries every previous state, not in the mathematics, but in the marrow.

The rain over Cambridge was the kind that didn’t fall so much as seep—into coats, into bones, into the very margins of notebooks left too long on park benches. Professor Alistair Norris, aged forty-seven, holder of the Chair in Stochastic Processes, stood at the window of his college rooms and watched the students scatter like particles undergoing Brownian motion. markov chain norris

Inside was a single sheet: Dad, I’m in the Royal Infirmary. Ward 14. They say it’s serious. I don’t know if you’ll come. It doesn’t matter what happened before. Only what happens now. — Chloe He read it twice. The Markovian in him noted the phrase: Only what happens now. She had learned something from him after all. The past came flooding back, not as a