On Maps Preserving Products
[摘要] Maps preserving certain algebraic properties of elementsare often studied in Functional Analysis and Linear Algebra. Thegoal of this paper is to discuss the relationships among theseproblems from the ring-theoretic point of view.
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[效力级别] [学科分类] 数学（综合）
[关键词] unitary group;short geodesics;infinite dimensional riemannian manifolds. [时效性]
