Local Dynamics Near Unstable Branches of NLS Solitons

Local Dynamics Near Unstable Branches of NLS Solitons

Consider a branch of unstable solitons of NLS whose linearized operators have one pair of simple real eigenvalues in addition to the zero eigenvalue. Under radial symmetry and standard assumptions, solutions to initial data from a neighbourhood of the branch either converge to a soliton, or exit a l...

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Hauptverfasser: Combet, Vianney, Tsai, Tai-Peng, Zwiers, Ian
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description Consider a branch of unstable solitons of NLS whose linearized operators have one pair of simple real eigenvalues in addition to the zero eigenvalue. Under radial symmetry and standard assumptions, solutions to initial data from a neighbourhood of the branch either converge to a soliton, or exit a larger neighbourhood of the branch transversally. The qualitative dynamic near a branch of unstable solitons is irrespective of whether blowup eventually occurs, which has practical implications for the description of blowup of NLS with supercritical nonlinearity.
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title Local Dynamics Near Unstable Branches of NLS Solitons
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