I am trying to find an ideal I <| K[x,y] such that the algebraic variety V(I) consists of: .the point (1,1) .the line x=0 .the line y= x+1 in A^2. I do not understand how to do this. Any help would be greatly appreciated. Thanks in advance.
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Originally Posted by Siknature I am trying to find an ideal I <| K[x,y] such that the algebraic variety V(I) consists of: .the point (1,1) .the line x=0 .the line y= x+1 in A^2. I do not understand how to do this. Any help would be greatly appreciated. Thanks in advance. Try . Tonio
Last edited by Opalg; Mar 2nd 2010 at 01:18 PM. Reason: LaTeX patch
Originally Posted by tonio Try math]I=<(x-1)(y-1),x,x-y+1>[/tex] . Tonio Thankyou very much. Should there be a comma between the (x-1) and (y-1) or is what you have written correct?
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