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J‐rings of characteristic two that are boolean

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 17, Issue 4, Page 807-811, 1994., 1994
This paper is concerned with determining all integers n, with n ≥ 2, such that if R is a ring having the property that xn = x and 2x = 0 for each x ∈ R, then R is boolean. The solution to the above problem extends previous results obtained by Shiue and Chao in [5] and that of MacHale in [4].
D. J. Hansen, Jiang Luh, Youpei Ye
wiley   +1 more source

Rings and groups with commuting powers

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 4, Issue 1, Page 101-107, 1981., 1981
Let n be a fixed positive integer. Let R be a ring with identity which satisfies (i) xnyn = ynxn 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 xkyk = ykxkand (n, k) = 1. Then R is commutative. This result also holds for a group G.
Hazar Abu-Khuzam, Adil Yaqub
wiley   +1 more source

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