Abstract:Earlier properties of Lie rings [Formula: see text] of derivations in commutative differentially prime rings [Formula: see text] was investigated by many authors. We study Lie rings [Formula: see text] in the non-commutative case and shown that if [Formula: see text] is a [Formula: see text]-prime ring of characteristic [Formula: see text], then [Formula: see text] is a prime Lie ring or [Formula: see text] is a commutative ring.
“…Many researchers studied the properties of Lie rings with derivations D of differentially simple, prime and semiprime rings (see for example [1][2][3][4], [14,15], [16,17] and [18,28], where further references can be found for the widening in this field.…”
In this paper, we generalized Posner’s theorem, then we extended Mayne’s theorem to get a main result, based on researches of many authors, presented by the theorem, if δ is a nonzero centralizing reverse derivations on a nonzero δ-ideal U of δ –prime ring R, then R is commutative.
“…Many researchers studied the properties of Lie rings with derivations D of differentially simple, prime and semiprime rings (see for example [1][2][3][4], [14,15], [16,17] and [18,28], where further references can be found for the widening in this field.…”
In this paper, we generalized Posner’s theorem, then we extended Mayne’s theorem to get a main result, based on researches of many authors, presented by the theorem, if δ is a nonzero centralizing reverse derivations on a nonzero δ-ideal U of δ –prime ring R, then R is commutative.
Let R[G] be the group ring of a group G over an associative ring R with unity such that all prime divisors of orders of elements of G are invertible in R. If R is finite and G is a Chernikov (torsion F C-) group, then each R-derivation of R[G] is inner. Similar results also are obtained for other classes of groups G and rings R.
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