Rings and groups with commuting powers
Hazar Abu-Khuzam and
Adil Yaqub
International Journal of Mathematics and Mathematical Sciences, 1981, vol. 4, 1-7
Abstract:
Let n be a fixed positive integer. Let R be a ring with identity which satisfies (i) x n y n = y n x n for all x , y in R , and (ii) for x , y in R , there exists a positive integer k = k ( x , y ) depending on x and y such that x k y k = y k x k and ( n , k ) = 1 . Then R is commutative. This result also holds for a group G . It is further shown that R and G need not be commutative if any of the above conditions is dropped.
Date: 1981
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:427649
DOI: 10.1155/S0161171281000069
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