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math.AP2026
Determination of the potential by a fixed angle scattering data
Suliang Si
In this paper, we study the fixed angle scattering problems raised by Rakesh and Salo. We show that a compactly supported potential is uniquely determined by the far field pattern…
math.AP2026
Observability inequality for the wave equation
Suliang Si
In this paper, only Carleman estimates are used, without energy estimates, we derive observability inequality. The main tool consists in the use of a new Carleman estimate.
math.AP2026
Arefinement of the Bukhgeim-Klibanov method
Suliang Si
In this article, we improve the classical Bukhgeim-Klibanov method presented in [1],which can be used to prove the conditional stability of inverse source problem for a hyperbolic…