Author
Allessio, Francesca
Caldiroli, Paolo
Montecchiari, Piero
Type
Article accepté pour publication ou publié
Abstract (EN)
We show, by variational methods, that there exists a set A open and dense in {a ∈
L∞(RN) : liminf|x|→∞ a(x) ≥ 0} such that if a ∈ A then the problem −∆u + u = a(x)|u|
p−1u,
u ∈ H1(RN), with p subcritical (or more general nonlinearities), admits infinitely many solutions.
