Differential and Integral Equations

On the generalized Korteweg-de Vries-type equations

Gigliola Staffilani

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Abstract

We show well-posedness results for the generalized Korteweg-de Vries equation with nonlinear term $F(u)\partial_xu$. We assume $F(u)$ is a $C^4$ function and $F(0)=0$. Using a version of the chain rule for fractional derivatives and some estimates on the evolution group, we prove existence, uniqueness and regularity properties of the solution of the equation when the space of the initial data is $H^s(\mathbb{R}), \, s>1/2$. The theorem we prove is sharp. We obtain all the above results also for a mixed KdV and Schrödinger type equation proposed as a model for the propagation of a signal in an optic fiber.

Article information

Source
Differential Integral Equations, Volume 10, Number 4 (1997), 777-796.

Dates
First available in Project Euclid: 1 May 2013

Permanent link to this document
https://projecteuclid.org/euclid.die/1367438641

Mathematical Reviews number (MathSciNet)
MR1741772

Zentralblatt MATH identifier
0891.35135

Subjects
Primary: 35A07
Secondary: 35B30: Dependence of solutions on initial and boundary data, parameters [See also 37Cxx] 35Q53: KdV-like equations (Korteweg-de Vries) [See also 37K10] 35Q55: NLS-like equations (nonlinear Schrödinger) [See also 37K10]

Citation

Staffilani, Gigliola. On the generalized Korteweg-de Vries-type equations. Differential Integral Equations 10 (1997), no. 4, 777--796. https://projecteuclid.org/euclid.die/1367438641


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