一个无幂零理想的nil环的例

An Example for Nil Ring Without NilPotent Ideals

利用矩阵技巧构作一个无幂零理想的nil环的例子,它比Baer的例子更直观。

An example is given for nil ring without nilpotent ideals, which, simplerthan the one given by Baer in 1943, as solved the 27th problem presented byF. A. Szasz in 1978.