Banach spaces 57 Functional analysis 7 Lecture Notes in Mathematics 6 Differential equations, Nonlinear 5 Congresses 3 Hilbert space 3 Probabilities 3 Banach-Raum 2 Cauchy-Anfangswertproblem 2 Convex functions 2 Convex programming 2 Differential equations 2 Function spaces 2 Functional analysis-- Mathematics 2 Geometry 2 Holomorphic functions 2 Holomorphic mappings 2 Linear operators 2 Monotone Funktion 2 Numerical solutions 2 Semigroups of operators 2 Sequence spaces 2 Abelian groups 1 Approximations -- expansions-- Mathematics 1 Automorphisms 1 Ba 1 Bilinear dual spaces 1 Bilinear mappings 1 Biorthogonal systems 1 Brouwer`s theorem and banach`s contraction principle 1