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19972026
most citedRecovering asymptotics of metrics from fixed energy scattering data

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math.AP2026

The Recovery of Semilinear Potentials Satisfying Null Conditions From Scattering Data

Joel Nathe, Antônio Sá Barreto

We construct oscillatory solutions of fully semilinear wave equations in Minkowski space satisfying a null condition of the form $$\square u:=(-\partial_{x_0}^2 +\sum_{j=1}^n \part…