2 papers
math.CA2025
Collapse and Burst of generalized Surface Quasi-Geostrophic point Vortices
Francesco Grotto, Umberto Pappalettera
We consider the generalized Surface Quasi-Geostrophic point vortices dynamics, and identify a sufficient condition implying existence of bursts out of (and collapses into) any give…
physics.flu-dyn2025
Decay of Time Correlations in Point Vortex Systems
Francesco Grotto, Silvia Morlacchi
The dynamics of a large point vortex system whose initial configuration consists in uniformly distributed independent positions is investigated. Time correlations of local observab…