Conservation laws of generalized higher Burgers and linear evolution equations
Sergei Igonin
Abstract
By the Cole-Hopf transformation, with any linear evolution equation in 1+1 dimensions a generalized Burgers equation is associated. We describe local conservation laws of these equations. It turns out that any generalized Burgers equation has only one conservation law, while a linear evolution equation with constant coefficients has an infinite number of (x,t)-independent conservation laws iff the equation involves only odd order terms and, therefore, is bi-Hamiltonian.
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