Information Technology Reference
In-Depth Information
This “emerging” dynamic is a characteristic feature of biological nonlinear distrib-
uted systems arising from self-organization processes occurring in such systems.
Thus,
in a reaction-diffusion system,
three levels of dynamics can be
distinguished:
￿ The level of interaction between the elements of the medium, i.e., nature of their
interconnections (microlevel)
￿ The level at which the system can be in a stationary state (mesolevel)
￿ The level of interaction between the states of the system and its environment
(macro-level)
It is the dynamics of the macro-level which is responsible for information
processing by the reaction-diffusion media.
4.8 Principles of Information Processing
by Reaction-Diffusion Devices
Nonlinear reaction-diffusion media represent a means of information processing
fundamentally different from digital von Neumann computers. The distributed
nature of the medium leads to a high parallelism of information processing multiple
times greater than the capabilities of multiprocessor digital systems. Nonlinear
mechanisms of the dynamics of reaction-diffusion media cause high logical com-
plexity of the elementary operations executed by them. Therefore, the performance
of a reaction-diffusion device is determined not by an increase of the performance
of the elements (microminiaturization of circuits) but rather by more complex
dynamics of the device, which leads to increased logical complexity of elementary
operations. A natural extension of this approach should be the creation a multilevel
media with high complexity of behavior.
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