Divisão de Observação da Terra e Geoinformática

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=====Dynamics of Complex Systems=====
{{  http://leg.ufpr.br/~pedro/figures/dynamics-bar-yam.jpg}}
|Yaneer Bar-Yam| [[http://necsi.org/publications/dcs/index.html|html]]|

====Introduction====

{{  http://www.leg.ufpr.br/~pedro/figures/simple-complex-systems.jpg?400}}

Qualitatively, to understand the behavior of a complex system **we must
understand not only the behavior of the parts but how they act together to form the
behavior of the whole**. It is because **we cannot describe the whole without describing
each part**, and because each part must be described in relation to other parts, that
complex systems are difficult to understand.


[...] The uniqueness of the human superorganism presents us with questions
of fundamental interest in science, related to how much we can know about an
individual system. When there are many instances, we can use information provided
by various examples and the statistics of their properties. When there is only one system,
to understand its properties or predict its behavior we must apply fundamental
principles that are valid for all complex systems. Since the field of complex systems is
dedicated to uncovering such principles, the subject of the human superorganism
should be considered a premiere area for application of complex systems research.