Let Q be the quaternion division algebra over real field F, Denote by Hn(Q) the set of all n x n hermitian matrices over Q. We characterize the additive maps from Hn(Q) into Hm(Q) that preserve rank-1 matrices w...Let Q be the quaternion division algebra over real field F, Denote by Hn(Q) the set of all n x n hermitian matrices over Q. We characterize the additive maps from Hn(Q) into Hm(Q) that preserve rank-1 matrices when the rank of the image of In is equal to n. Let QR be the quaternion division algebra over the field of real number R. The additive maps from Hn (QR) into Hm (QR) that preserve rank-1 matrices are also given.展开更多
文摘Let Q be the quaternion division algebra over real field F, Denote by Hn(Q) the set of all n x n hermitian matrices over Q. We characterize the additive maps from Hn(Q) into Hm(Q) that preserve rank-1 matrices when the rank of the image of In is equal to n. Let QR be the quaternion division algebra over the field of real number R. The additive maps from Hn (QR) into Hm (QR) that preserve rank-1 matrices are also given.