
handle: 20.500.12513/2796 , 20.500.12513/2868
Let R be a ring with identity. We introduce a class of rings which is a generalization of reduced rings. A ring R is called central rigid if for any a, b is an element of R, a(2)b = 0 implies ab belongs to the center of R. Since every reduced ring is central rigid, we study sufficient conditions for central rigid rings to be reduced. We prove that some results of reduced rings can be extended to central rigid rings for this general setting, in particular, it is shown that every reduced ring is central rigid, every central rigid ring is central reversible, central semicommutative, 2-primal, abelian and so directly finite.
Central reversible rings, Abelian rings, Central rigid rings, Reduced rings, Central semi-commutative rings
Central reversible rings, Abelian rings, Central rigid rings, Reduced rings, Central semi-commutative rings
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