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nlin.CD2025
Chaotic variability in a model of coupled ice streams
Kolja Kypke, Peter Ashwin, Peter Ditlevsen
Regions of fast-flowing ice in ice sheets, known as ice streams, have been theorized to be able to exhibit build-up/surge oscillatory variability due to thermomechanical coupling a…
math.DS2025
Attracting measures
Julian Newman, Peter Ashwin
Under mild assumptions, the SRB measure associated to an Axiom A attractor has the following properties: (i) the empirical measure starting at a typical point near conv…
nlin.CD2025
The effect of timescale separation on the tipping window for chaotically forced systems
Raphael Römer, Peter Ashwin
Tipping behavior can occur when an equilibrium of a dynamical system loses stability in response to a slowly varying parameter crossing a bifurcation threshold, or where noise driv…