Geodesic
Properties of an aggregated quasi-gasdynamic system of equations for a homogeneous gas mixture
Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleniâ, Tome 501 (2021), pp. 31-37.

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For an aggregated quasi-gasdynamic system of equations for a homogeneous gas mixture, we give an entropy balance equation with a nonnegative entropy production in the presence of diffusion fluxes. We also derive the existence, uniqueness, and $L^2$-dissipativity of weak solutions to an initial-boundary value problem for the system linearized at a constant solution. Additionally, the Petrovskii parabolicity and local-in-time classical unique solvability of the Cauchy problem for the quasi-gasdynamic system itself are established.
Keywords: quasi-gasdynamic system of equations, homogeneous gas mixture, entropy balance equation, Petrovskii parabolicity, $L^2$-dissipativity. 
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A. A. Zlotnik; A. S. Fedchenko. Properties of an aggregated quasi-gasdynamic system of equations for a homogeneous gas mixture. Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleniâ, Tome 501 (2021), pp. 31-37. http://geodesic.mathdoc.fr/item/DANMA_2021_501_a5/

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