equations. The flow variable representation is established from the Lagrangian mechanics for hydrodynamic mass transport. Based … expressed by the flow variable representation. We found that a kernel of the GLM equation is given by the concentration variable … same form as in the second formalism of the KdV equation. By setting up the flow variable representation of the KP equation …

Burgers equation using the flow variable representation so as to facilitate comparison with the Boltzmann equation and with …