Quantitative 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 $\T^d=\R^d/(2π\Z)^d$, $d\ge 1$, from an open subset $ω\subset \T^d$. Our main result establish…