Decay estimates for beam equations with potentials on the line

Shuangshuang Chen, Zijun Wan, Xiaohua Yao

This paper is devoted to the time decay estimates for the following beam equation with a potential on the line: $$ \partial_t^2 u + \left( Δ^2 + m^2 + V(x) \right) u = 0, \ \ u(0,…