Global analysis (Mathematics) Manifolds (Mathematics) 22 Mathematics 22 Global Analysis and Analysis on Manifolds 21 Geometry, Differential 11 Differential Geometry 8 Calculus of variations 6 Functions of complex variables 6 Several Complex Variables and Analytic Spaces 6 Algebraic Geometry 5 Geometry, Algebraic 5 Differential equations, Partial 4 Functional Analysis 4 Functional analysis 4 Calculus of Variations and Optimal Control; Optimization 3 Differentiable dynamical systems 3 MATHEMATICS 3 Partial Differential Equations 3 Calculus 2 Classical and Quantum Gravitation, Relativity Theory 2 Difference and Functional Equations 2 Difference equations 2 Differentiable manifolds 2 Differential topology 2 Ergodic theory 2 Functional equations 2 General 2 Geometry 2 Geophysics 2 Geophysics/Geodesy 2