Electron. J. Differential Equations, Vol. 2026 (2026), No. 47, pp. 1-18.

Stability and decay for the 3D anisotropic micropolar system with fractional dissipation

Zhouyu Li, Zean Rao, Wenjing Song

Abstract:
This article concerns the stability and long-time behavior of 3D anisotropic micropolar systems with fractional dissipation in \(\mathbb{R}^3\). By using delicate energy estimates, we prove the stability of solutions to this system when the \(H^m\) \((m\geq2)\) norm of the initial data is suitably small, and obtain the decay rate for the horizontal derivatives of this solution.

Submitted March 1, 2026. Published June 30, 2026.
Math Subject Classifications: 35B35, 35B40, 35Q35, 76D03.
Key Words: 3D micropolar system; fractional dissipation; stability; long-time behavior.
DOI: 10.58997/ejde.2026.47

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Zhouyu Li
School of Mathematics
Xi'an University of Technology
Xi'an 710054, China
email: zylimath@163.com
Zean Rao
School of Mathematics
Xi'an University of Technology
Xi'an 710054, China
email: zaraomath@163.com
Wenjing Song
School of Science
Xi'an Polytechnic University
Xi'an 710048, China
email: wenjingsong1@163.com

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