Journal
DYNAMICS OF PARTIAL DIFFERENTIAL EQUATIONS
Volume 15, Issue 2, Pages 109-126Publisher
INT PRESS BOSTON, INC
DOI: 10.4310/DPDE.2018.v15.n2.a2
Keywords
Regularity criteria; incompressible MHD equations; axisymmetric
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In this paper, we investigate the regularity criteria of axisymmetric solutions to the incompressible MHD equations, which have the form u = u(r)e(r) + u(theta)e(theta). + u(z)e(z) and b = b(theta)e(theta). Through establishing some innovative estimates, we obtain some new regularity criteria that are scaling invariant and independent of b(theta). To some extent, our work can be seen as a generation of the result by D. Chae and J. Lee [9] on the axisymmetric incompressible Navier-Stokes equations.
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