Korteweg-De Vries equation
= Korteweg-De Vries equation
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{wiki=Korteweg–De_Vries_equation}
= KdV equation
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The Korteweg-De Vries equation
$$
u_t-6uu_x+u_{xxx}=0
$$
is an integrable nonlinear dispersive equation. Its sign convention here admits negative solitary waves.