Talk:Affine geometry

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WikiProject Mathematics This article is within the scope of WikiProject Mathematics.
Mathematics grading: Start Class High Importance  Field: Geometry and topology
All sections need some expansion. More material needed on examples and applications. Differences between Euclidean and affine geometry should be mentioned. Tompw 18:34, 5 October 2006 (UTC)

The semi-direct product formula as written in has a couple of problems: (a) format (doesn't display on my browser) (b) for those fussy about invariance, it chooses a basis.

Charles Matthews 08:24, 18 Aug 2003 (UTC)

I just fixed (b); (a) seems to have been fixed already with Image:Rtimes2.png. -- Toby Bartels 22:12, 2005 Jan 27 (UTC)


I am disappointed to see that this entry states no axioms. Affine geometry can be derived by adding a few axioms, and a primitive notion or two, to projective geometry.132.181.160.42 01:30, 15 March 2006 (UTC)