Invariant Solutions and Nonlinear Self-Adjointness of the Two-Component Chaplygin Gas Equation

Ben Gao and Yanxia Wang

Discrete Dynamics in Nature and Society, 2019, vol. 2019, 1-9

Abstract:

In this paper, the Lie group method is performed on a special dark fluid, the Chaplygin gas, which describes both dark matter and dark energy in the present universe. Based on an optimal system of one-dimensional subalgebras, similarity reductions and group invariant solutions are given. Finally, by means of Ibragimov’s method, conservation laws are obtained.

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:9609357

DOI: 10.1155/2019/9609357

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