title: Soliton self-frequency shift versus Galilean-like symmetry.
abstract: We show that the soliton self-frequency shift (SSFS) law as well as an approximate analytical description of the pulse deformation can be obtained on the basis of a Galilean-like symmetry of the simplest SSFS model.
authors.forename: L
authors.initials: L
authors.lastname: Gagnon
authors.forename: P A
authors.initials: PA
authors.lastname: Bélanger