Author

A. Ionescu

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Preprint Sep 2026

Nonlinear Landau damping for the unconfined Vlasov-Poisson system in 2D

We prove nonlinear Landau damping for the two-dimensional Vlasov--Poisson system in the unconfined Euclidean setting near the homogeneous Poisson equilibrium \[ \mu(v)=\frac{1}{2\pi}(1+|v|^2)^{-3/2}. \] For small, smooth, localized, and neutral perturbations we establish global existence, quantitative pointwise decay e...

A. Ionescu, Quoc-Hung Nguyen · 0 citations

Preprint Oct 2026

Local well-posedness of wave kinetic equations associated with water waves

We prove two conceptually different local well-posedness results for wave kinetic equations associated with water-wave systems. For pure gravity waves with 2D interfaces, we establish a classical well-posedness theory in weighted Sobolev spaces: regularity is propagated, and solutions depend continuously on the initial...

Yu Deng, A. Ionescu, F. Pusateri · 0 citations