Self-Organization and the CitySpringer Science & Business Media, 6 dic 2012 - 352 pagine Cities first came into existence more than five thousand years ago. How to deal with these partly fascinating, partly frightening creatures of mankind, both practically and intellectually, concerns all of us and, in particular, presents areal challenge to city planners. Each historical epoch has had its own par ticular attitudes associated with the "Zeitgeist". Accordingly, the planning and steering of cities were based on quite different criteria. But in spite of these differences, the concept of planning and steering was, and still is, the cornerstone of our dealing with cities. Nevertheless, the planner's dilemma is becoming more and more visible: cities and megacities seem to be un plannable. In this book, Juval Portugali intro duces a new idea: Cities are self organizing systems. To substantiate his revolutionary concept, he uses several interlinked methods. On the one hand, and to my own delight, he employs in his arguments theoretical tools developed in the interdisciplinary field of synergetics. On the other hand, jointly with his co-workers, he has performed detailed model calculations on cellular nets. It has been a great pleasure and a wonderful experience for me to discuss these concepts with Juval Portugali over a number of years. I was repeatedly and deeply impressed by the way he established profound and often surprising links to other fields of science. |
Sommario
Cities as Concepts | 9 |
Internal Complexity and Sociospatial Segregation | 10 |
Prototype Urbanisms | 17 |
SelfOrganizing Cities | 48 |
Free Agents in a Cellular Space | 75 |
The Greens and the Blues | 95 |
International Migration and the Internal Structure | 121 |
Spatial Cognitive Dissonance and Sociospatial | 140 |
Individuals Cultural Code and Residential | 175 |
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areas attention parameters behavior Bénard cells Blue and Green cell H cellular automata chaos chaotic Chap chapter cities and urbanism city's cognitive maps complex configuration cultural groups cultural identity decision defined described discussion dissipative structures domain dynamics ecocity economic emergence enslaved entity evolving example extended phenotype external Fraction of neutrals free agents geography global Haken hermeneutic heuristic his/her house H human immigrants implication individuals instability intentions interaction internal interpretation latter m-code Marxist means migration neighborhood neighbors notion Olim order parameters pattern recognition planners planning population Portugali postmodern principle Probability of leaving production properties queue relations residential result SA(t scenario segregation self-organizing cities self-organizing systems similar simulation social theory society socio-cultural socio-spatial space space-time spatial cognitive dissonance spatial segregation specific stability status structure SU(H synergetics theory of self-organization time-step urban and regional urban revolution various veterans