La Classification Mathématique par matières 2000 Mathematics subject Classification 2000 Question : CC = 83E30 81-XX Quantum theory 81T30 String and superstring theories; other extended objects (e.g., branes) [See also 83E30] 83-XX Relativity and gravitational theory 83E30 String and superstring theories [See also 81T30] Mot-clé : Retour à la page Classification Mathématique par Matières (version 2000)