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
复制标题
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
影响因子:
0.9
通讯作者:
E. Puczyłowski
中科院分区:
文献类型:
--
作者:
K. Beidar;Y. Fong;E. Puczyłowski
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.