The article mainly studies the isentropic approximation of the compressible Euler equations in Besov space , provided the initial entropy changes closing a constant in the Besov spaces, which extends and improves the result in Sobolev space by Jia and Pan.

中文翻译：

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Besov空间中可压缩Euler方程的等向近似

本文主要研究Besov空间中可压缩Euler方程的等熵近似，条件是初始熵变化在Besov空间中封闭一个常数，从而通过Jia和Pan扩展和改进Sobolev空间中的结果。