Let us consider in a domain Ω of Rn solutions of the differential inequality
|Δu(x)| ≤ V(x)|u(x)|, x ∈ Ω,
where V is a non smooth, positive potential.
We are interested in global unique continuation properties. That means that u must be identically zero on Ω if it vanishes on an open subset of Ω.
@article{urn:eudml:doc:41691, title = {Unique continuation for Schr\"odinger operators with potential in Morrey spaces.}, journal = {Publicacions Matem\`atiques}, volume = {35}, year = {1991}, pages = {291-298}, mrnumber = {MR1103622}, zbl = {0809.47046}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41691} }
Ruiz, Alberto; Vega, Luis. Unique continuation for Schrödinger operators with potential in Morrey spaces.. Publicacions Matemàtiques, Tome 35 (1991) pp. 291-298. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41691/