Jordan isomorphisms of upper triangular matrix rings |
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| Authors: | Cheng-Kai Liu Wan-Yu Tsai |
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| Institution: | a Department of Mathematics, National Changhua University of Education, Changhua 500, Taiwan
b Department of Mathematics, National Taiwan University, Taipei 106, Taiwan |
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| Abstract: | 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. |
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| Keywords: | 16S50 |
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