Tuesday, November 25, 2008

Intensity

Today we clarified some of the issues around the difference between extensive and intensive properties. Extensive and intensive are different ways of conceiving of property. Fro Delanda it is differences in intesive properites that drive change and therefore organization and therefor form. In Wolfram change is manifest in . . . ?Here it is not so clear that we can say something remotely similar. And yet the type of change, that is, symmetry breaking, is just as phenomenal. The difference between the two authors just I'd this: Delanda is referring to thermodynamic process and in biology toplogical and chemical properties but in Wolfram change is an expression of the iteration of the rules. That seems confounding.

For next week we are going to act out the differences between the two systems; this time in terms of emergence and complexity as well as symmetry-breaking. I'l put on the server Philip Ball for those working on the side of physics and dynamical systems. For those working on the computational side use Casti.

Please send me a paragraph of what interests you in terms of the course, one of the readings, or a contemporary problem, and I'll reply with a topic and brief strategy for your final paper that will be based on a question.
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