Differential equations 23 Differential equations, Partial 23 Mathematics 20 Numerical solutions 20 Mathematical models 19 Mathematical analysis 15 Functional analysis 13 Mathematical physics 13 Algebras, Linear 11 Numerical analysis 11 Congresses 10 Topology 10 Data processing 8 Approximation theory 6 Bifurcation theory 6 Chaotic behavior in systems 6 Differentiable dynamical systems 6 Engineering mathematics 6 Fluid dynamics 6 Iterative methods (Mathematics) 6 Mathematical optimization 6 Boundary value problems 5 Inverse problems (Differential equations) 5 Combinatorial analysis 4 Equations 4 Functions of real variables 4 Geometry, Differential 4 Matrices 4 Spline theory 4 Algorithms 3