nonhyperbolic equilibrium point
1Hyperbolic equilibrium point — In mathematics, especially in the study of dynamical system, a hyperbolic equilibrium point or hyperbolic fixed point is a special type of fixed point.The Hartman Grobman theorem states that the orbit structure of a dynamical system in the… …
2Bifurcation theory — is the mathematical study of changes in the qualitative or topological structure of a given family. Examples of such families are the integral curves of a family of vector fields or, the solutions of a family of differential equations. Most… …
