Columbia subject headings:
Bifurcation theory.
Flows (Differentiable dynamical systems)
Torus (Geometry)
Harvard subject headings:
Bifurcation theory.
Flows (Differentiable dynamical systems)
Torus (Geometry)
Princeton subject headings:
Bifurcation theory.
Flows (Differentiable dynamical systems)
Torus (Geometry)