Lyapunov’s theorem (1940)
Named after Russian mathematician A A LYAPUNOV, Lyapunov’s theorem asserts that the range of a non-atomic totally finite vector-valued measure is both convex and compact. Source: A A Lyapunov, ‘On Completely Additive Vector-Functions’, Izvestia Akademii Nauk SSSR, vol. IV (1940), 465-78 Lyapunov theorem may refer to: A theorem related to Lyapunov stability – the stability of solutions