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math.AP2026
Landau damping on expanding backgrounds
David Fajman, Liam Urban
We analyse the effect of expansion in Newtonian cosmology on the asymptotic behaviour of charged self-interacting plasmas close to Poisson equilibria. To this end, we study the Vla…
math.AP2021★ 3 cited
Blow-up of waves on singular spacetimes with generic spatial metrics
David Fajman, Liam Urban
We study the asymptotic behaviour of solutions to the linear wave equation on cosmological spacetimes with Big Bang singularities and show that appropriately rescaled waves converg…