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Quarterly of Applied Mathematics

Quarterly of Applied Mathematics

Online ISSN 1552-4485; Print ISSN 0033-569X

   
 
 

 

Maximal attractor for the system of one-dimensional polytropic viscous ideal gas


Authors: Songmu Zheng and Yuming Qin
Journal: Quart. Appl. Math. 59 (2001), 579-599
MSC: Primary 35B41; Secondary 35B30, 35B40, 35L65, 37L30, 76D03
DOI: https://doi.org/10.1090/qam/1848536
MathSciNet review: MR1848536
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Abstract: In this paper, the dynamics for the system of polytropic viscous ideal gas is investigated. One of the important features of this problem is that the metric spaces ${H^{\left ( 1 \right )}}$ and ${H^{\left ( 2 \right )}}$ that we work with are two incomplete metric spaces, as can be seen from the constraints $\theta > 0$ and $u > 0$ with $\theta$ and $u$ begin absolute temperature and specific volume, respectively. For any constants ${\beta _1}, {\beta _2}, {\beta _3}, {\beta _4}, {\beta _5}$ satisfying certain conditions, two sequences of closed subspaces $H_\beta ^{\left ( i \right )} \subset {H^{\left ( i \right )}} \left ( i = 1, 2 \right )$ are found, and the existence of two maximal (universal) attractors in $H_\beta ^{\left ( 1 \right )}$ and $H_\beta ^{\left ( 2 \right )}$ is proved.


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Article copyright: © Copyright 2001 American Mathematical Society