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math.AP2026
Improved stability of low Fourier modes in inverse problems for potentials
Tony Liimatainen, William Trad, Mikko Salo
We prove Lipschitz, sub-Hölder and Hölder stability estimates for recovering the low Fourier modes of an unknown potential from the Dirichlet-to-Neumann (DN) map. We study three di…
math.DG2026
Regularity for the Geodesic X-Ray Transform in Nonsmooth Geometry
Pieti Kirkkopelto, Miika Manu, Mikko Salo
In this article we give regularity results for the geodesic X-ray transform on nonsmooth simple manifolds. As an application, we improve previous injectivity results for the geodes…