Nonlinear Sciences – Exactly Solvable and Integrable Systems
Scientific paper
2011-04-19
Nonlinear Sciences
Exactly Solvable and Integrable Systems
20 pages, 4 figures
Scientific paper
We construct a model of innovation diffusion that incorporates a spatial component into a classical imitation-innovation dynamics first introduced by F. Bass. Relevant for situations where the imitation process explicitly depends on the spatial proximity between agents, the resulting nonlinear field dynamics is exactly solvable. As expected for nonlinear collective dynamics, the imitation mechanism generates spatio-temporal patterns, possessing here the remarkable feature that they can be explicitly and analytically discussed. The simplicity of the model, its intimate connection with the original Bass' modeling framework and the exact transient solutions offer a rather unique theoretical stylized framework to describe how innovation jointly develops in space and time.
Gallay Olivier
Hashemi Fariba
Hongler Max-Olivier
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