The large box limit of nonlinear Schrodinger equations in weakly nonlinear regime
New challenges in PDE: Deterministic dynamics and randomness in high and infinite dimensional systems October 19, 2015 - October 30, 2015
Location: SLMath: Eisenbud Auditorium
NLS equation
non-linear PDE
dispersive PDEs
asymptotic behavior
resonance effects
35J93 - Quasilinear elliptic equations with mean curvature operator
37A05 - Dynamical aspects of measure-preserving transformations
46K50 - Nonselfadjoint (sub)algebras in algebras with involution
35L03 - Initial value problems for first-order hyperbolic equations
14381
We study the long time dynamics of solutions to nonlinear Schrodinger equations with periodic boundary conditions as the length of the period becomes infinite. We isolate the effects of resonant interactions and derive new evolution equations whose dynamics approximate the long time dynamics of localized solutions. We will show that this approximation is valid on a long time scale determined by the size of the solution and the length of the period.
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14381
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