Global dynamics of small solutions to the modified fractional Korteweg-de Vries and nonlinear Schrödinger equations

Abstract

This paper concerns the modified fractional Korteweg-de Vries (modified fKdV) and nonlinear Schrödinger (modified fNLS) equations, with the dispersions |D|^α\partial_x and |D|^{α+1}, respectively. We prove the global existence of small solutions for both the Cauchy problems to the modified fKdV and fNLS equations, with a modified scattering which has a logarithmic phase correction. Our results cover the full range -1<α<1, α\neq 0 for both the modified fKdV and fNLS equations.

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Cited by in corpus (2)

• Wave breaking for the generalized Fornberg-Whitham equation
• One dimensional energy cascades in a fractional quasilinear NLS