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math.AP2026
Time-Decay Estimates for Two-Dimensional Fourth-Order Schrödinger Operators with Threshold Singularities
Zijun Wan, Xiaohua Yao
We establish time-decay estimates for the two-dimensional fourth-order Schrödinger operator with a real-valued decaying potential , covering all possible zero-energy t…
math.AP2026
Decay estimates for the two-dimensional Beam equation with potentials
Shuangshuang Chen, Han Cheng, Zijun Wan +1
This paper establishes time decay estimates for the following two-dimensional beam (plate) equation with a decaying real-valued potential : \begin{equation*} \partial_t^2 u + (Δ…