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On Nilpotent Derivations of Prime Rings
Proceedings of the American Mathematical Society
Vol. 107, No. 1 (Sep., 1989), pp. 67-71
Published by: American Mathematical Society
Stable URL: http://www.jstor.org/stable/2048036
Page Count: 5
You can always find the topics here!Topics: Mathematical rings, Algebra, Polynomials, Mathematical theorems, Logical proofs, Abstract algebra, Integers, Topological theorems, Prime numbers
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Let R be a prime ring with center Z and let U be a noncentral Lie ideal of R. Suppose that d is a derivation of R such that dn(u) ∈ Z for all u ∈ U, where n is a fixed integer. It is shown that either dn(R) = 0 or R is an order of a 4-dimensional simple algebra over a field of characteristic 2.
Proceedings of the American Mathematical Society © 1989 American Mathematical Society