Centralizing maps on invertible or singular matrices over division rings
Centralizing maps on invertible or singular matrices over division rings
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DOI:
10.1016/j.laa.2013.10.016
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发表时间:
2014
影响因子:
1.1
通讯作者:
Cheng–Kai Liu
中科院分区:
文献类型:
--
作者:
Cheng–Kai Liu
Let D be a division ring and let M n (D) be the ring of all n× n matrices over D with center Z, where n⩾ 2 is an integer. We describe the additive map f: M n (D)→ M n (D) such that f (x) x− x f (x)∈ Z for all invertible (singular) x∈ M n (D).