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Newsgroups: sci.math
From: Dmitry Sustretov <dmitry.sustre...@gmail.com>
Date: Fri, 16 May 2008 15:57:25 -0700 (PDT)
Local: Fri, May 16 2008 6:57 pm
Subject: Re: curves on quadrics
On May 16, 4:16 pm, Timothy Murphy <gayle...@eircom.net> wrote:
> Dmitry Sustretov wrote: The loci of these equations are points, not lines. > > is there a projective quadratic surface that contains two non- > > intrersecting curves? > Suppose you take the surface x^2 - y^2 + z^2 - t^2 = 0. > Caveat: I know almost nothing about algebraic geometry.
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