Let R be a 2-torsionfree ring with identity 1 and let Tn(R), n ⩾ 2, be the ring of all upper triangular n × n matrices over R. We describe additive Jordan isomorphisms of Tn(R) onto an arbitrary ring and generalize several results on this line.
關聯:
Linear Algebra and its Applications, 426(1): 143-148
