| Subject: | semisimple rings |
|---|---|
| From: | "Thunder" |
| Date: | Mon, 30 Oct 2006 22:46:32 +0100 |
| Newsgroups: | sci.math |
Show that Q[x,y]/(x^2,xy) is not semisimple. The teacher wrote that it is because [x^2]=0 why is that? |
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