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This article is cited in 91 scientific papers (total in 92 papers)
Generalized solutions of the Cauchy problem for the Korteweg-de Vries equation
S. N. Kruzhkov, A. V. Faminskii
Abstract:
In this paper the Cauchy problem for the Korteweg–de Vries equation $u_t+u_{xxx}=uu_x$, $x\in\mathbf R^1$, $0<t<T$, with initial condition $u(0,x)=u_0(x)$ is considered in nonlocal formulation. In the case of an arbitrary initial function $u_0(x)\in L^2(\mathbf R^1)$ the existence of a generalized $L^2$-solution is proved, and its smoothness is studied for $t>0$. A class of well-posed solutions is distinguished among the generalized solutions under consideration, and within this class theorems concerning existence, uniqueness and continuous dependence of solutions on initial conditions are proved.
Bibliography: 28 titles.
Received: 27.05.1982
Citation:
S. N. Kruzhkov, A. V. Faminskii, “Generalized solutions of the Cauchy problem for the Korteweg-de Vries equation”, Math. USSR-Sb., 48:2 (1984), 391–421
Linking options:
https://www.mathnet.ru/eng/sm2138https://doi.org/10.1070/SM1984v048n02ABEH002682 https://www.mathnet.ru/eng/sm/v162/i3/p396
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