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arXiv · 2601.20128

Rate-induced tipping in a solvable model with the Allee effect

Hidekazu Yoshioka
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Abstract

We present a novel exactly solvable ordinary differential equation model for rate-induced tipping: a dynamic phenomenon of dynamical systems where a time-dependent parameter triggers the transition of stability of a system. Our model contains an Allee effect that induces a saddle point and admits an explicit solution along with the extinction threshold of a time-dependent Allee parameter. More specifically, we derive an integral inequality that serves as a necessary condition for the occurrence of rate-induced tipping. A remarkable point in the proposed model is that it can handle population extinction such that the solution completely vanishes in a finite amount of time. An unconditionally stable cubature method suitable for our model is proposed, and its superiority over the classical forward Euler method is discussed. We also discuss a fisheries application where inland fisheries rose and fell from modern times to the present in Japan. The proposed model serves as a tractable mathematical tool for studying rate-induced tipping phenomena.

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Hidekazu Yoshioka. 2026-01-27. Rate-induced tipping in a solvable model with the Allee effect. https://arxiv.org/abs/2601.20128

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