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math.AP2020
Dispersion for the wave and Schrödinger equations outside a ball and counterexamples
Oana Ivanovici
We consider the wave equation with Dirichlet boundary conditions in the exterior of the unit ball of . For , we obtain a global in time parametrix a…
math.AP2020★ 6 cited
Strichartz estimates for the wave equation on a 2d model convex domain
Oana Ivanovici, Gilles Lebeau, Fabrice Planchon
We prove better Strichartz type estimates than expected from the (optimal) dispersion we obtained in our earlier work on a 2d convex model. This follows from taking full advantage…