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arXiv · 1705.08025

The theory of Turing patterns on time varying networks

Julien Petit·Ben Lauwens·Duccio Fanelli·Timoteo Carletti
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Abstract

The process of pattern formation for a multi-species model anchored on a time varying network is studied. A non homogeneous perturbation superposed to an homogeneous stable fixed point can amplify, as follows a novel mechanism of instability, reminiscent of the Turing type, instigated by the network dynamics. By properly tuning the frequency of the imposed network evolution, one can make the examined system behave as its averaged counterpart, over a finite time window. This is the key observation to derive a closed analytical prediction for the onset of the instability in the time dependent framework. Continuously and piecewise constant periodic time varying networks will be analysed, to set the ground for the proposed approach. The extension to non periodic settings will also be discussed.

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Julien Petit, Ben Lauwens, Duccio Fanelli, Timoteo Carletti. 2017-05-22. The theory of Turing patterns on time varying networks. https://doi.org/10.1103/physrevlett.119.148301

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