Geodesic
Commutativity Conditions on Rings with Involution
Canadian journal of mathematics, Tome 34 (1982) no. 1, pp. 17-22

Voir la notice de l'article provenant de la source Cambridge University Press

Let R be a ring with involution *. We denote by S, K and Z = Z(R) the symmetric, the skew and the central elements of R respectively.In [4] Herstein defined the hypercenter T(R) of a ring R as and he proved that in case R is without non-zero nil ideals then T(R) = Z(R).In this paper we offer a partial extension of this result to rings with involution.We focus our attention on the following subring of R: (We shall write H(R) as H whenever there is no confusion as to the ring in question.)Clearly H contains the central elements of R. Our aim is to show that in a semiprime ring R with involution which is 2 and 3-torsion free, the symmetric elements of H are central. 
Misso, Paola. Commutativity Conditions on Rings with Involution. Canadian journal of mathematics, Tome 34 (1982) no. 1, pp. 17-22. doi: 10.4153/CJM-1982-003-4
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