2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/143623Group theoretical analyses are applied to the magnetic and electronic structures of NdNiO3 and YNiO3, whose electronic structures have been studied very recently by the LSDA+U method. The Jahn-Teller distortion cannot satisfy the experimentally observed magnetic diffraction. The resultant ground state magnetic stuructures are monoclinic P_ba in NdNiO3 case and P_b2_1/a in YNiO3 case, respectively.6 pages, 3 figures, Proc. Int. Symp. ISSP-Kashiwa 2001Strongly Correlated Electronstext