Problems in non-linear analysis : lectures given at a summer school of the Centro Internazionale Matematico Estivo (C.I.M.E.) held in Varenna (Como), Italy, August 20-29, 1970

H. Brezis: Proprietes regularisantes de certains semigroupes et applications.- F. Browder: Normal solvability and existence theorems for nonlinear mappings in Banach spaces.- F. Browder: Normal solvability for nonlinear mappings and the geometry of Banach spaces.- J. Eells, K.D. Elworthy: Wiener integration on certain manifolds.- W.H. Fleming: Nonlinear partial differential equations - Probabilistic and game theoretic methods.- C. Foias: Solutions statistiques des equations d'evolution non lineaires.- J.L. Lions: Quelques problemes de la theorie des equations non lineaires d'evolution.- A. Pazy: Semi-groups of nonlinear contractions in Hilbert space.- R. Temam: Equations aux derivees partielles stochastiques.- M.M. Vainberg: Le probleme de la minimisation des fonctionnelles non lineaires.