Principia Cybernetica Web is the website of the Principia Cybernetica Project (PCP), an international organization. The Project aims to develop a complete philosophy or "world-view", based on the principles of evolutionary cybernetics, and supported by collaborative computer technologies. To get started, there is an introduction with background and motivation, and an overview, summarizing the project as a whole.
Evolutionary cybernetics
Evolutionary cybernetics can be defined as the study of how the processes of variation and selection give rise to organization. This means, first of all, a study of the dynamics of distinctions, connections, variety, closure and constraint, that is, the fundamental aspects of organized complexity. This will allow us to better understand how systems emerge out of unstructured aggregates of components, and how variation and selection take place at different system levels and between different, co-evolving systems.
Spin-glass model of evolution
The model of evolution, discussed in Quasispecies, implies a strong assumption: the selective value is determined by the Hamming distance between the particular and unique master sequences. Only one maximum of the selective value exists. Using the physical spin-glass concept, we can construct a similar model for a very large number of the local maxima of a selective value.he spin-glass model of evolution refers to the "organisms", which have many randomly interacting genome elements. Evolution can be considered as a search of such genome elements, which are able to cooperate in the most successful manner.
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