Regularity and Energy Conservation of the Nonhomogeneous Incompressible Ideal Magnetohydrodynamics EquationsJiajia XIONG, Qunyi BIE and Yanping ZHOUWuhan Univ. J. Nat. Sci., 27 2 (2022) 99-103DOI: https://doi.org/10.1051/wujns/2022272099