If $(x_0,\xi_0)\in\mathbb{R}^{2n}$ is a given point in phase space, how do I construct a compactly supported distribution $u$ which has
WF$(u)=\{(x_0,t\xi_0) | t>0\}$ ?
2026-04-08 21:26:14.1775683574
wavefront set of a distribution
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