Polynomial Rings over Nil Rings Cannot Be Homomorphically Mapped onto Rings with Nonzero Idempotents

Polynomial Rings over Nil Rings Cannot Be Homomorphically Mapped onto Rings with Nonzero Idempotents
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零环上的多项式环不能同态映射到非零幂等环上

DOI:
10.1006/jabr.2000.8632
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发表时间:
2001
期刊:
影响因子:
0.9
通讯作者:
E. Puczyłowski
E. Puczyłowski
中科院分区:
数学3区
文献类型:
--
作者:
K. Beidar;Y. Fong;E. Puczyłowski

文献摘要

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本文证明了零环上一个不定多项式环不能同态映射到一个含有非零幂等元的环上。这一结果可以看作是Kothe问题正解的一个近似。
Abstract We prove that the ring of polynomials in one indeterminate over a nil ring cannot be homomorphically mapped onto a ring containing a nonzero idempotent. This result can be regarded as an approximation of a positive solution of Kothe's problem.