This page needs to be de-mathified. It offers nothing useful to someone without mathematical inclination.
Further, "structural stability" is also an important branch of Civil Engineering and/or Aeronautical Engineering as well as other disciplines. For example, in Civil Engineering the Timoshenko and Gere's classic textbook on the Theory of Elastic Stability should be referenced at a minimum.
In fact, this concept is _never_ applied for homeomorphisms, as is supposed in the actual version of the text. The problem is that by a Homeo-small perturbation, one can create, for instance, an infinite number of fixed points "around" just one for the original map -- so there would be no "Homeo"-structurally stable maps. It should be changed to the "Diffeo" version. --Burivykh (talk) 12:05, 17 April 2009 (UTC)