Centro-affine geometry
From Encyclopedia of Mathematics
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The branch of affine geometry in which one studies invariants of centro-affine transformations: 
. Centro-affine transformations leave one point (the centre) fixed. In centro-affine geometry there is complete duality: To every proposition concerning points corresponds the same proposition concerning hyperplanes.
How to Cite This Entry:
Centro-affine geometry. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Centro-affine_geometry&oldid=12060
Centro-affine geometry. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Centro-affine_geometry&oldid=12060
This article was adapted from an original article by L.A. Sidorov (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article