Nonlinear optics 81 Nonlinear theories 65 Differential equations, Nonlinear 26 Chaotic behavior in systems 25 Dynamics 12 Differential equations 10 Differential equations, Partial 10 Nonlinear operators 10 Nonlinear programming 10 Congresses 8 Nonlinear systems 8 Numerical solutions 8 Differentiable dynamical systems 7 Fiber optics 7 Mathematical physics 7 Nonlinear control theory 7 Nonlinear waves 7 Banach spaces 6 Lasers 6 Nonlinear functional analysis 6 Solitons 6 Mathematical models 5 Nanostructures 5 Optical materials 5 Asymptotic theory 4 Bifurcation theory 4 Boundary value problems 4 Dissertations, Academic (Ph.D) 4 Evolution equations, Nonlinear 4 Mathematical optimization 4