The story
Named after Andrey Kolmogorov, Jürgen Moser, and Vladimir Arnold.
Etymology from Wiktionary, CC BY-SA 4.0.
Kolmogorov-Arnold-Moser theorem
Today it means: A result in dynamical systems about the persistence of quasiperiodic motions under small perturbations, partly resolving the small-divisor problem that arises in the perturbation theory of classical mechanics. Full definition →