Catastrophe theory originated with the work of the French mathematician Ren?Thom in the 1960s, and became very popular due to the efforts of Christopher Zeeman in the 1970s.
32.
This, combined with the abrupt occurrence of most human differentiations in that same period, is a probable case of bottleneck linked to volcanic winters ( see Toba catastrophe theory ).
33.
In mathematics, "'catastrophe theory "'is a branch of bifurcation theory in the study of dynamical systems; it is also a particular special case of more general singularity theory in geometry.
34.
At dinner that evening, McKendrick introduces the idea of a " Catastrophe Theory " as well as inadvertently providing a philosophical criticism of the actions of Anderson, angering the protagonist.
35.
Anatomically modern humans appear from about 200, 000 years ago and after 70, 000 years ago ( see Toba catastrophe theory ), gradually supplanting the " archaic " human varieties.
36.
LANE-COLUMN _ For those too sophisticated to believe the world will come to an end just because warrantees tend to expire when odometers accumulate zeros, Y2K offers an alternative catastrophe theory.
37.
Germs are useful in determining the properties of dynamical systems near chosen points of their phase space : they are one of the main tools in singularity theory and catastrophe theory.
38.
The full-length reference given at Toba catastrophe theory is giving me a 404, but the locked-up version at at least gives an abstract that the 1000-year period is dated +-5000 years.
39.
See Toba catastrophe theory which may have reduced the human population to MUCH smaller amounts ( estimates range from between 100, 000 down to as few as 1, 000 breeding pairs ).
40.
Then, too, those with long memories will remember the previous promises in the 1970s of catastrophe theory to yield great new insights into economic dynamics _ and the subsequent disappointment when it didn't.
