Complex systems
hideComplex systems is a scientific field which studies the common properties of systems that are considered fundamentally complex. Such systems may exist in nature, society, science and many other fields. It is also called complex systems theory, complexity science, study of complex systems, sciences of complexity, non-equilibrium physics, and historical physics. The key problems of such systems are difficulties with their formal modeling and simulation. From such perspective, in different research contexts complex systems are defined on the base of their different attributes. Since all complex systems have many interconnected components, the science of networks and network theory are always important aspects of the study of complex systems. At present, the consensus related to one universal definition of complex system does not exist yet.
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News tagged with complex systems
How Did Evolution Begin?
Sep 28, 2009 |
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(PhysOrg.com) -- Life's ability to replicate itself is essential for evolution, yet even the simplest kind of replication requires a relatively complex system. So what kind of non-replicating system might ...
Electronic patient records are not a panacea
Dec 14, 2009 |
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Large-scale electronic patient record (EPR) programmes promise much but sometimes deliver little, according to a new study by UCL researchers that reviewed findings from hundreds of previous studies from all over the world.
Being Isaac Newton: Computer derives natural laws from raw data
Technology / Computer Sciences
Apr 02, 2009 |
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If Isaac Newton had access to a supercomputer, he'd have had it watch apples fall - and let it figure out the physical matters. But the computer would have needed to run an algorithm, just developed by Cornell ...
New book suggests Earth perhaps not such a benevolent mother after all
Other Sciences / Archaeology & Fossils
May 20, 2009 |
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(PhysOrg.com) -- In the past 50 years it has become commonplace to think of Earth as a nurturing place, straining mightily to maintain equilibrium so that life might continue and flourish.
Physics rules network dynamics
Dec 11, 2009 |
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(PhysOrg.com) -- When it comes to the workings of the Web, the brain, or a social network, physics finds universal truths.
A RANK insider resolving the enigma of the fever chart
Nov 25, 2009 |
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Mammals have evolved a complex system for controlling bone remodeling. Babies require calcium for healthy bones and they obtain it from their mother's milk. Nursing mothers release calcium from their bones. Surprisingly, ...
A global model for the origin of species independent of geographical isolation
Jul 17, 2009 |
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(PhysOrg.com) -- The tremendous diversity of life continues to puzzle scientists, long after the 200 years since Charles Darwin's birth. However, in recent years, consistent patterns of biodiversity have been identified ...
Scientists find universal rules for food-web stability
Aug 06, 2009 |
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The findings, published in this week's issue of Science, conclude that food-web stability is enhanced when many diverse predator-prey links connect high and intermediate trophic levels. The computations also reveal that s ...
Social scientist suggests new research framework to study complex systems
Other Sciences / Social Sciences
Jul 23, 2009 |
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The often-used one-size-fits-all approach to policies aimed at achieving sustainable social-ecological systems needs to be updated with a diagnostic tool to help scholars from multiple disciplines better frame the question ...
Scientists create working artificial nerve networks
Jan 28, 2009 |
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Scientists have already hooked brains directly to computers by means of metal electrodes, in the hope of both measuring what goes on inside the brain and eventually healing conditions such as blindness or epilepsy. In the ...
Birds of a feather: Study finds particles, molecules prefer not to mix
Chemistry / Analytical Chemistry
May 04, 2009 |
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(PhysOrg.com) -- In the world of small things, shape, order and orientation are surprisingly important, according to findings from a new study by chemists at Washington University in St. Louis.
Researchers break the animal kingdom's colour code
Apr 16, 2009 |
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Charles Darwin was fascinated by the colours of animals - he once wrote to his colleague Alfred Russell Wallace asking why certain animals were "so
beautifully and artistically coloured".
Analysis Shows Uptick Rule Vital to Market Stability
Nov 18, 2008 |
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(PhysOrg.com) -- A new study by researchers at the New England Complex Systems Institute found that interpretations of data from an SEC pilot program used to justify the repeal of the "uptick rule" in the summer of 2007 are ...
Complex systems and Mars missions help understand how life began
Space & Earth / Earth Sciences
Nov 13, 2008 |
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(PhysOrg.com) -- Understanding how life started remains a major challenge for science. At a European Science Foundation (ESF) and COST ‘Frontiers of Science’ conference in Sicily in October, scientists discussed two new approaches ...
Tough times, complex systems -- a modernisation story
May 04, 2009 |
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(PhysOrg.com) -- Tough economic times call for tough measures to remain competitive. That goes for software modernisation as well. A European project has just released a prototype of a software engineering platform that could ...
