On Conditions for Rate-induced Tipping in Multi-Dimensional Dynamical Systems

Claire Kiers; Christopher K. R. T. Jones

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arXiv · 1810.02808

On Conditions for Rate-induced Tipping in Multi-Dimensional Dynamical Systems

Claire Kiers·Christopher K. R. T. Jones

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Abstract

The possibility of rate-induced tipping (R-tipping) away from an attracting fixed point has been thoroughly explored in 1-dimensional systems. In these systems, it is impossible to have R-tipping away from a path of quasi-stable equilibria that is forward basin stable (FBS), but R-tipping is guaranteed for paths that are non-FBS of a certain type. We will investigate whether these results carry over to multi-dimensional systems. In particular, we will show that the same conditions guaranteeing R-tipping in 1-dimension also guarantee R-tipping in higher dimensions; however, it is possible to have R-tipping away from a path that is FBS even in 2-dimensional systems. We will propose a different condition, forward inflowing stability (FIS), which we show is sufficient to prevent R-tipping in all dimensions. The condition, while natural, is difficult to verify in concrete examples. Monotone systems are a class for which FIS is implied by an easily verifiable condition. As a result, we see how the additional structure of these systems makes predicting the possibility of R-tipping straightforward in a fashion similar to 1-dimension. In particular, we will prove that the FBS and FIS conditions in monotone systems reduce to comparing the relative positions of equilibria over time. An example of a monotone system is given that demonstrates how these ideas are applied to determine exactly when R-tipping is possible.

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Claire Kiers, Christopher K. R. T. Jones. 2018-10-05. On Conditions for Rate-induced Tipping in Multi-Dimensional Dynamical Systems. https://arxiv.org/abs/1810.02808

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