Browsing Makale Koleksiyonu by Subject "(?,?)-derivations"
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(2014)Let R be a 2-torsion free simple *-ring and D : R ? R be an additive mapping satisfiying D(xx*)= D(x)?(x*)+?(x)D(x*), for all x ? R. Then D is a (?, ?)-derivation of R or R is S4 ring. Also, if R is a 2-torsion free semiprime ...