A biophysical approach to the design of networks of communication systems

Abstract

Inspired by the growth dynamics of the protist \textit{Physarum polycephalum}, we use a formalism that describes adaptive incompressible Hagen-Poiseuille flows on channel networks to identify graphs connecting different nodes within Euclidean space. These graphs are either suboptimal or optimal in terms of their length. Occasionally, we obtain graph tree configurations that are topologically equivalent to Steiner trees. This approach is employed to design communication systems, such as railway networks, motorways, or fibre webs. As a proof of concept, we explicitly apply this framework to the Portuguese railway network.

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