[CvGmt News] [Notiziario] [Settimanale] oggi Benci Colloquio Analisi
marino at dm.unipi.it
marino at dm.unipi.it
Thu Apr 2 09:42:43 CEST 2009
Vi ricordo il seminario di oggi di Benci
Antonio Marino
COLLOQUIO DI ANALISI
17:00-18:30, Aula Magna (Dip. Matematica)
Onde solitarie, solitoni e vortici
Vieri Benci (Universita' di Pisa)
abstract
Roughly speaking a solitary wave is a solution of a field equation whose energy
travels as a localized packet and which preserves this localization in time. A
soliton is a solitary wave which exhibits some strong form of stability so that
it has a particle-like behavior. A vortex is a solitary wave with a
nonvanishing angular momentum. The first part of this talk is an introduction to
the study of solitary waves, soliton and vortices relative to the Nonlinear Wave
Equation and to the Nonlinear Schroedinger Equation. In the last part of the
talk we will present some new results relative to the dynamics of solitons when
an external potential is present.
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