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math.AP2009
An approach to minimization under constraint: the added mass technique
Louis Jeanjean, Marco Squassina
We present an approach to minimization under constraint. We explore the connections of this technique with the general method of Compactness by Concentration of P.L. Lions and pres…
math.AP2009
Stability and instability results for standing waves of quasi-linear Schrödinger equations
Mathieu Colin, Louis Jeanjean, Marco Squassina
We study a class of quasi-linear Schrödinger equations arising in the theory of superfluid film in plasma physics. First, using gauge transforms and a derivation process we solve,…