Re: R[X,Y] polynomial ring
- From: magidin@xxxxxxxxxxxxxxxxx (Arturo Magidin)
- Date: Tue, 24 May 2005 18:27:05 +0000 (UTC)
In article <d6vrg1$ido$1@xxxxxxxxxxxxxxxxxx>,
Mike <Mike_jones@xxxxxxxxx> wrote:
>ah i see, a quick query
>the ideal
>reals -R[X][1+X^2] what does this ideal look like?
Huh?
Do you mean, R[X](1+X^2)? I.e., all multiples of 1+X^2?
It looks like all multiples of 1+X^2. They are exactly the polynomials
of R[X] which have the complex number i as a root.
--
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Arturo Magidin
magidin@xxxxxxxxxxxxxxxxx
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