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Weighted Jordan homomorphisms
Linear and Multilinear Algebra ( IF 0.9 ) Pub Date : 2022-04-05 , DOI: 10.1080/03081087.2022.2059434 M. Brešar 1, 2 , M. L. C. Godoy 3
中文翻译:
加权约旦同态
更新日期:2022-04-05
Linear and Multilinear Algebra ( IF 0.9 ) Pub Date : 2022-04-05 , DOI: 10.1080/03081087.2022.2059434 M. Brešar 1, 2 , M. L. C. Godoy 3
Affiliation
Let A and B be unital rings. An additive map is called a weighted Jordan homomorphism if is an invertible central element and for all . We provide assumptions, which are in particular fulfilled when with and R any unital ring with , under which every surjective additive map with the property that whenever xy = yx = 0 is a weighted Jordan homomorphism. Further, we show that if A is a prime ring with char, then a bijective additive map is a weighted Jordan homomorphism provided that there exists an additive map such that for all .
中文翻译:
加权约旦同态
令A和B为单位环。附加地图被称为加权约旦同态如果是一个可逆的中心元素,并且对全部. 我们提供假设,这些假设在以下情况下特别得到满足和和R任何单位环, 在其下每个满射加法映射与财产只要xy = yx = 0 是加权约旦同态。此外,我们证明如果A是具有 char 的素环, 那么一个双射加法映射是加权 Jordan 同态,前提是存在加性映射这样对全部.