The goal of controlling a system is to reach or retain stability. In control theory, stability is described with the Lyapunov stability criteria and mathematical models that set into relation the ...

Theory Spring 2026 ready-to-wear runway, fashion show & collection photos. Designed by Lucas Ossendrijver at New York Fashion Week, September 2026.

As work-from-home culture goes the way of the dodo, Theory isn’t returning to standard officewear. “[Tailoring] is our bread and butter, but we’re wanting to take it out of the office setting and more ...