International Conference on Numerical Analysis and Applied Mathematics (ICNAAM), Rhodes, Yunanistan, 13 - 18 Eylül 2018, cilt.2116
In this paper, we study the connections between normal subgroups of a group G and ideals of a group ring RG. We find a relation between conjugate subgroups of G and conjugate augmentation ideals of RG. We obtain a new result on a normal subgroup of G corresponding to an ideal of RG.