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On the Negative Index Theorem for the Linearized Non-Linear Schrödinger Problem
Published online by Cambridge University Press: 20 November 2018
Abstract
A new and elementary proof is given of the recent result of Cuccagna, Pelinovsky, and Vougalter based on the variational principle for the quadratic form of a self-adjoint operator. It is the negative index theorem for a linearized $\text{NLS}$ operator in three dimensions.
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- Copyright © Canadian Mathematical Society 2010
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