2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/66711We propose a A.G.M. algorithm for the determination of the characteristic polynomial of an ordinary non hyperelliptic curve of genus 3 over F_{2^N}.8 pages, frenchNumber TheoryAlgebraic Geometry11Y16;14H42;11G20Methode A.G.M. pour les courbes ordinaires de genre 3 non hyperelliptiques sur F_{2^N}text