We derive an inequality of Carleman's type for solutions to Schroedinger's equation, with singular weight function. As a consequence, we obtain a new unique continuation result for solutions in a bounded domain.
Daniel Tataru. "Carleman estimates and unique continuation for the Schroedinger equation." Differential Integral Equations 8 (4) 901 - 905, 1995. https://doi.org/10.57262/die/1369055618