Mathematical Physics
[Submitted on 1 Aug 2021
]
Title: Approximate Q-conditional symmetries of partial differential equations
Title: 偏微分方程的近似 Q-条件对称性
Abstract: Following a recently introduced approach to approximate Lie symmetries of differential equations which is consistent with the principles of perturbative analysis of differential equations containing small terms, we analyze the case of approximate $Q$--conditional symmetries. An application of the method to a hyperbolic variant of a reaction--diffusion--convection equation is presented.
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