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20192026
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math.AP2026

Infinite-order multisoliton solutions to the Benjamin--Ono equation and soliton resolution

Louise Gassot, Patrick Gérard

We construct a class of infinite-order multisoliton solutions of the Benjamin-Ono equation on the line, for which the initial data exhibits slow spatial decay. We prove that in the…

math.AP2025

Global well-posedness for the ILW equation in for

Louise Gassot, Thierry Laurens

We prove that the intermediate long wave (ILW) equation is globally well-posed in the Sobolev spaces for . The previous record for well-posedness wa…

math.AP2019

The third order Benjamin-Ono equation on the torus : well-posedness, traveling waves and stability

Louise Gassot

We consider the third order Benjamin-Ono equation on the torus $\partial_t u= \partial_x \left( -\partial_{xx}u-\frac{3}{2}u H\partial_x u - \frac{3}{2}H(u\partial_x u) + u^3 \righ…

math.AP2019

On the orbital stability of a family of traveling waves for the cubic Schr{ö}dinger equation on the Heisenberg group

Louise Gassot

We consider the focusing energy-critical Schr{ö}dinger equation on the Heisenberg group in the radial case\[i\partial_t u-Δ_{\mathbb{H}^1} u=|u|^2u,\quadΔ_{\mathbb{H}^1}=\frac{1}{4…

math.AP2019

On the radially symmetric traveling waves for the Schr{ö}dinger equation on the Heisenberg group

Louise Gassot

We consider radial solutions to the cubic Schr{ö}dinger equation on the Heisenberg group$$i\partial_t u - Δ_{\mathbb{H}^1} u = |u|^2u, \quadΔ_{\mathbb{H}^1} = \frac{1}{4}(\partial_…