MAXIMUM PRINCIPLE FOR SCHRDINGER OPERATORS WITH
SINGULAR POTENTIALS
LUIGI ORSINA (UNIVERSITÀ DI ROMA SAPIENZA, ITALIA)
We give sufficient (and sometimes necessary) conditions on the function V , and on the
set {u = 0}, in order to have that a positive solution u of -Δu + V u = 0 in Ω is
identically zero. Joint work with Augusto Ponce (Universit de Louvain)