Banach spaces 4 Approximation theory 2 Banach-Raum 2 Cauchy-Anfangswertproblem 2 Convex functions 2 Convex programming 2 Differential equations, Nonlinear 2 Hilbert space 2 Implicit functions 2 Lie groups 2 Mappings (Mathematics) 2 Mathematics 2 Monotone Funktion 2 Proof theory 2 Algebras, Linear 1 Analytic topology-- Singularities (Mathematics) 1 Asymptotic theory 1 Automatic theorem proving 1 Bernoulli numbers-- Zeta functions 1 Calculus 1 Cellular automata 1 Combinatorial set theory 1 Commutative algebra-- Associative algebra 1 Computational complexity 1 Curves, Elliptic 1 Differential equations 1 Differential equations, Partial 1 Dimension theory (Topology) 1 Domination (Graph theory) 1 Evolution equations 1