Jordan isomorphism 在特徵數為二的二階上三角矩陣一定是同構或是反同構。

Every Jordan isomorphism of triangular n×n matrices over F with characteristic 2 is either a isomorphism or a antiisomorphism while n is 2. But it is not true for n ≧ 3.

1.Introduction ----------- 4
2.Preliminaries----------- 4
3.Main results ----------- 9

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