Asymptotic expansions 26 Asymptotic theory 16 Differential equations 13 Numerical solutions 9 Congresses 4 Statistical hypothesis testing 4 Asymptotes 3 Differential equations, Linear 3 Mathematical statistics 3 Oscillations 3 Perturbation (Mathematics) 3 Singular perturbations (Mathematics) 3 Approximation theory 2 Differential equations, Nonlinear 2 Differential equations, Partial 2 Distribution (Probability theory) 2 Mathematical analysis 2 Multivariate analysis 2 Statistical decision 2 Asymptotic distribution (Probability theory) 1 Asymptotic efficiencies (Statistics) 1 Boundary layer 1 Boundary value problems 1 Canonical correlation (Statistics) 1 Central limit theorem 1 Contingency tables 1 Control theory 1 Convergence 1 Econometrics 1 Electromagnetic fields 1