Inequalities for Humbert functions | ||||
| Journal of the Egyptian Mathematical Society | ||||
| Volume 22, Issue 1, 2014, Page 14-18 PDF (379.07 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.1016/j.joems.2013.04.012 | ||||
 View on SCiNiTO | ||||
| Author | ||||
| A. Shehata | ||||
| Department of Mathematics, Faculty of Science, Assiut University, Assiut 71516, Egypt | ||||
| Abstract | ||||
| Let n P 1 be a fixed integer and let R be an (n+1)!-torsion free *-ring with identity element e. If F, d:Rfi R are two additive mappings satisfying F(xn+1) = F(x)(x*)n + xd(x)(x*)n1+ x2d(x)(x*)n2+ +xnd(x) for all x 2 R, then d is a Jordan *-derivation and F is a generalized Jordan *-derivation on R. | ||||
| Keywords | ||||
| Additive mappings; Semiprime rings and involution | ||||
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