Re: Question to algebraic geometers
- From: Jannick Asmus <jannick.newsREMOVE_ME@xxxxxx>
- Date: Mon, 22 Sep 2008 12:48:04 +0200
On 22.09.2008 12:36, utterbs wrote:
If S,T,U are schemes defined over an algebraically closed field k,
where S--->U, T-->U are morphisms of schemes, then is S x_U T, the
fibre product of S and T over U, also defined over k?
Yes. By S x_U T -> T -> U -> Spec(k), e.g., which is equal to S x_U T -> S -> U -> Spec(k)
.
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