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Linear maps preserving M–P inverses of matrices between matrix spaces over fields

机译:保留区域上矩阵空间之间矩阵的M–P逆的线性映射

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摘要

Suppose F is a field of characteristic not 2. Let n and m be two arbitrary positive integers with n≥2. We denote by M n (F) and S n (F) the space of n×n full matrices and the space of n×n symmetric matrices over F, respectively. All linear maps from S n (F) to M m (F) preserving M–P inverses of matrices are characterized first, and thereby all linear maps from S n (F) (M n (F)) to S m (F) (M m (F)) preserving M–P inverses of matrices are characterized, respectively.
机译:假设F是一个特性不是2的字段。令n和m是n≥2的两个任意正整数。我们用M n (F)和S n (F)分别表示F上n×n个全矩阵的空间和n×n个对称矩阵的空间。从S n (F)到M m (F)的所有线性映射都保留了矩阵的M–P逆,因此首先要进行特征化,从而从S n (F)来的所有线性映射( M n (F))至S m (F)(M m (F))分别保持矩阵的M–P逆。

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