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Wellposedness and zero microrotation viscosity limit of the 2D micropolar fluid equations. (English) Zbl 1222.76027
Summary: We consider the 2D micropolar fluid equations in the whole space $$\mathbb R^2$$. We prove the global wellposedness of the system with rough initial data and show the vanishing microrotation viscosity limit in the case of zero kinematic viscosity or zero angular viscosity.

##### MSC:
 76D03 Existence, uniqueness, and regularity theory for incompressible viscous fluids 76D09 Viscous-inviscid interaction 35Q35 PDEs in connection with fluid mechanics
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