Titlebook: Synergetic Cities: Information, Steady State and Phase Transition; Implications to Urba Hermann Haken,Juval Portugali Book 2021 The Editor(

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Urban Allometry During Steady States and Phase Transitionsbe subject to variations due to the very dynamics of cities as complex systems. Namely, due to the fact that the “classical” scaling law, that stands at the center of urban allometry, is typical of the steady-state periods of cities, while the strongly fluctuating phase transition periods of cities, are typified by other scaling relationships.

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Synergetics: A Short Remindern in open complex systems. This chapter is a short reminder of the theory of Synergetics, its basic concepts and language, and the early attempts to apply them to cities. We firstly introduce the four basic concepts of Synergetics: Order parameters (OPs), the Slaving principle, Circular causality an

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SIRN, IA and Their Conjunction (SIRNIA)nts, by means of their interaction, give rise to the city and its OP, that then enslaves the behavior of it’s urban agents in a top-down manner. At the local scale, each individual urban agent extracts information from the city, processes this incoming information by means of previously learned and

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Formalism I. Bottom–Up Approach: From Parts to Order Parametersrder parameter(s). More specifically,we show how the concepts of Synergetics, order parameters (OPs), slaving principle, circular causality, and control parameters, can be substantiated by a mathematical approach. As we show, the systems and their parts may be of quite a different nature: parts as s

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