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Long-Time Asymptotics for the Korteweg–de Vries Equation via Nonlinear Steepest Descent

✍ Scribed by Katrin Grunert; Gerald Teschl


Publisher
Springer Netherlands
Year
2009
Tongue
English
Weight
828 KB
Volume
12
Category
Article
ISSN
1385-0172

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We study the asymptotic behavior for large time of solutions to the Cauchy problem for the generalized Korteweg de Vries (gKdV) equation u t + ( |u| \&1 u) x + 1 3 u xxx =0, where x, t # R when the initial data are small enough. If the power \ of the nonlinearity is greater than 3 then the solution

Asymptotics of Solutions to the Boundary
✍ Nakao Hayashi; Elena I. Kaikina; Ilia A. Shishmarev 📂 Article 📅 2002 🏛 Elsevier Science 🌐 English ⚖ 198 KB

We study the following initial-boundary value problem for the Korteweg-de Vries-Burgers equation, 2 for t → ∞ uniformly with respect to x > 0 where α = 0 1, 0 q t = q/ √ π e -q 2 , 1 q t = 1/2 √ π √ t e -q 2 2q √ t -1 + e -2q √ t .