Abstract
We answer an open problem in radical theory by showing that there exists a zero-symmetric simple near-ringN with identity such thatJ 2(N)=N.
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Fuchs, P., Maxson, C.J., Van Der Walt, A.P.J. et al. Centralizer near-rings determined by PID-modules, II. Period Math Hung 26, 111–114 (1993). https://doi.org/10.1007/BF01876312
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DOI: https://doi.org/10.1007/BF01876312