Timeline for Other Ring Structures on $\mathbb{Q}$
Current License: CC BY-SA 3.0
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Aug 31, 2011 at 19:30 | comment | added | Pace Nielsen | Nice example. I suppose the 'nicest' example of a different ring structure on $\Q$ would be to take Cantor's bijection $f:\mathbb{Q}\rightarrow \mathbb{Z}$ and then apply Amit's answer, using the usual ring structure on $\mathbb{Z}$. | |
Aug 31, 2011 at 19:07 | history | answered | Noah Stein | CC BY-SA 3.0 |