From panel 21.1.5 on p. 595 of
Dynamics, the Geometry of Behavior
bu Ralph H. Abraham and Christopher D. Shaw, 4th edn.
Santa Cruz, CA: Aerial Press, 2000.
The simplest example of an explosive bifurcation.
A point attractor of a flow in two dimensions
expolodes into a periodic attractor.
Revised 09 November 2000 by Ralph Herman Abraham