Restriction estimates in a conical singular space: wave equation

Xiaofen Gao, Junyong Zhang, Jiqiang Zheng

We study the restriction estimates in a class of conical singular space $X=C(Y)=(0,\infty {)}_r\times Y$ with the metric $g=\mathrm{d}{r}^2+r^{2}h$, where the cross section $Y$ is a compa…