Re: R[X,Y] polynomial ring
- From: "Mike" <Mike_jones@xxxxxxxxx>
- Date: Tue, 24 May 2005 19:29:06 +0100
> 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.
yeah sorry
so does that mean it consists of
{1+x^2, x+x^3, .......}
.
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