Wehave determind completely these representations. Using this result, we gave a necessary and sufficient condition about the problem of the isomorphism of two generalized quaternion algebras.
利用这一结果，给出了两个广义四元数代数同构的一个充分必要条件。
In this note, we establish a mild condition on A such that every Jordan automorphism of A is either an isomorphism or an anti-isomorphism.
如果代数A满足我们建立的一个温和的条件，则必为同构或者是反同构。
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