- 08-70 Vitali Vougalter
- On the negative index theorem for the linearized NLS problem.
Apr 3, 08
(auto. generated ps),
of related papers
Abstract. A new and elementary proof of the recent result of Cuccagna, Pelinovsky
and Vougalter based on the variational principle for the quadratic form
of a self-adjoint operator is given. It is the negative index theorem
for a linearized NLS operator in three dimensions.