Optimal decay-in-time rates of solutions to the Cauchy problem of 3D compressible magneto-micropolar fluids release_jb2zfddnwbdzxczzr3xhsluaeq

Abstract

<jats:title>Abstract</jats:title>This paper focuses on the long time behavior of the solutions to the Cauchy problem of the three-dimensional compressible magneto-micropolar fluids. More precisely, we aim to establish the optimal rates of temporal decay for the highest-order spatial derivatives of the global strong solutions by the method of decomposing frequency. Our result can be regarded as the further investigation of the one in (Wei, Guo and Li in J. Differ. Equ. 263:2457–2480, 2017), in which the authors only provided the optimal rates of temporal decay for the lower-order spatial derivatives of the perturbations of both the velocity and the micro-rotational velocity.
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