Meet Hugo Duminil-Copin, the 2022 Fields Medalist whose groundbreaking work uncovered the precise rules that govern phase transitions in complex systems.
What connects a melting ice cube, a spreading wildfire, a magnetic switch, and the sudden crash of a financial market? At first glance, they appear random, unpredictable bursts of change. But beneath the chaos lies a world of structure and hidden laws.
In this video, we follow Hugo’s journey from a sports-loving teenager in suburban France to a world-renowned figure in mathematics. Initially interested in handball more than homework, Hugo didn’t shine as a prodigy early on. He failed to qualify for the International Mathematical Olympiad.
But through persistence, passion, and curiosity, he found his path into the deep, abstract world of probability and statistical physics.Duminil-Copin’s work tackles some of the most fundamental puzzles in physics and mathematics: how systems transition from one state to another. His research on percolation theory, the Ising model, and the Potts model reveals how small, local interactions give rise to dramatic global behavior.
Think of how a virus spreads in a population, how a magnet becomes polarized, or how water freezes—his mathematics shows us exactly when and why these transformations occur. One of his major achievements was proving how magnetic materials transition in three and four dimensions—problems that had resisted mathematical proof for over half a century.
His work not only answered theoretical questions but opened the door to new applications in epidemiology, machine learning, quantum computing, and financial risk modeling. Anywhere uncertainty rules, Duminil-Copin’s ideas are beginning to play a role.