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math.AP2026
Robust Observability for Schrödinger Equations with Rough Potentials on 2D Compact Hyperbolic Surfaces
Jiayan Wu, Ting Zhang, Ruze Zhou
This paper investigates the robustness of quantum observability on compact hyperbolic surfaces under potential perturbations. Since regularity is strictly subcritical i…
math.AP2026
Local decay estimates for the bi-Laplacian Nonautonomous Schrödinger equation
Jiayan Wu, Ting Zhang, Ruze Zhou
In this paper, we establish local decay estimates for the bi-Laplacian Schrödinger equation with time-dependent (in particular, quasi-periodic) potentials in spatial dimension $n\…