On the observability of the Schrödinger equation in the torus from open sets

Kévin Le Balc'h, Jiaqi Yu

We study the observability of the Schrödinger equation on the $d$-dimensional torus ${\mathbb{T}}^d$, $d\ge 1$, from an open subset $\omega \subset {\mathbb{T}}^d$. Our first main result est…