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Projective Geometry 
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#1
Jan2810, 06:04 PM

P: 43

I'm doing reading course on Projective Geometry.
I was presented this question (in the textbook, not homework): In [itex]P_2 R[/itex], let A, B, and C be points on a line L and let A', B', and C' be points on a line L'. Prove there exists points [itex]S_1[/itex], [itex]S_2[/itex] and [itex]S_3[/itex], and lines [itex]l_1[/itex] and [itex]l_2[/itex] such that projection from L to [itex]l_1[/itex] with center [itex]S_1[/itex], ... And it continues. The remainder is not important. What do they mean by center [itex]S_1[/itex]? Thank you. 


#3
Jan2910, 08:08 AM

P: 43




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