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This article is cited in 11 scientific papers (total in 11 papers)
Weighted Identities for the Solutions of Generalized Korteweg–de Vries Equations
S. I. Pokhozhaev Steklov Mathematical Institute, Russian Academy of Sciences
Abstract:
Consider the Korteweg–de Vries equation $u_t+u_{xxx}+uu_{x}=0$ and its generalization $u_t+u_{xxx}+f(u)_{x}=0$. For the solutions of these equations, weighted identities (differential and integral) are obtained. These identities make it possible to establish the blow-up (in finite time) of the solutions of certain boundary-value problems.
Keywords:
Korteweg–de Vries equation, initial boundary-value problem, weighted differential inequality, weighted integral inequality, blow-up of solutions, Hölder's inequality, Young's inequality, Dirichlet boundary condition.
Received: 08.09.2010
Citation:
S. I. Pokhozhaev, “Weighted Identities for the Solutions of Generalized Korteweg–de Vries Equations”, Mat. Zametki, 89:3 (2011), 393–409; Math. Notes, 89:3 (2011), 382–396
Linking options:
https://www.mathnet.ru/eng/mzm9048https://doi.org/10.4213/mzm9048 https://www.mathnet.ru/eng/mzm/v89/i3/p393
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