International Journal on Minority and Group Rights. Том 10. 2003. С. 203-220
In this paper, we consider the 3D density-dependent magnetohydrodynamic equations with vacuum in the whole space R3, and provide a regularity criterion involving the velocity field in BMO space norm. This work generalizes the regularity criterion of the constant density MHD equations to the density-dependent one. © 2020, Sociedade Brasileira de Matemática.