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Extending transition path theory: Periodically driven and finite-time dynamics

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Helfmann,  Luzie
Potsdam Institute for Climate Impact Research;

Ribera Borrell,  Enric
External Organizations;

Schütte,  Christof
External Organizations;

Koltai,  Péter
External Organizations;

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Citation

Helfmann, L., Ribera Borrell, E., Schütte, C., Koltai, P. (2020 online): Extending transition path theory: Periodically driven and finite-time dynamics. - Journal of Nonlinear Science.
https://doi.org/10.1007/s00332-020-09652-7


Cite as: https://publications.pik-potsdam.de/pubman/item/item_24541
Abstract
Given two distinct subsets A, B in the state space of some dynamical system, transition path theory (TPT) was successfully used to describe the statistical behavior of transitions from A to B in the ergodic limit of the stationary system.We derive generalizations of TPT that remove the requirements of stationarity and of the ergodic limit and provide this powerful tool for the analysis of other dynamical scenarios: periodically forced dynamics and time-dependent finite-time systems. This is partially motivated by studying applications such as climate, ocean, and social dynamics. On simple model examples, we show how the new tools are able to deliver quantitative understanding about the statistical behavior of such systems.We also point out explicit cases where the more general dynamical regimes show different behaviors to their stationary counterparts, linking these tools directly to bifurcations in non-deterministic systems.