Oscillations oscillation 4 Mathematics 3 Delay differential equations 2 Differential equations 2 Differential equations, Nonlinear 2 Frequencies of oscillating systems 2 General 2 MATHEMATICS 2 Mechanics 2 Plasma waves 2 Brownian motion processes 1 Cerebral cortex 1 Conservation laws (Physics) 1 Differentiable dynamical systems 1 Differential Equations 1 Differential equations, Hyperbolic 1 Differential-difference equations 1 Discrete Mathematics 1 Electricity 1 Electromechanical analogies 1 Hardy spaces 1 Hippocampus (Brain) 1 Mathematical models 1 Mathematical physics 1 Matrices 1 Neural circuitry 1 Nonlinear mechanics 1 Nonlinear oscillations 1 Numerical solutions 1