Inequalities for Humbert functions | ||
| Journal of the Egyptian Mathematical Society | ||
| Volume 22, Issue 1, 2014, Pages 14-18 PDF (379.07 K) | ||
| Document Type: Original Article | ||
| DOI: 10.1016/j.joems.2013.04.012 | ||
| 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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