Keywords: Affine space, projective space, vector space.svg A commutative diagram showing the relationship between affine space projective space and a vector space own created as per Help Displaying a formula Commutative diagrams; source code below 2010-02-21 Nils R Barth LaTeX source <source lang latex > \documentclass amsart \usepackageall ps xy Loading the XY-Pic package Using postscript driver for smoother curves \usepackage color For invisible frame \begin document \thispagestyle empty No page numbers \SelectTips eu Euler arrowheads tips \setlength \fboxsep 0pt Frame box margin \color white \framebox \color black Frame for margin \xymatrix 6pt K n+1 \ar ->> dd \\ \\ \mathbf A n \ar -> rr \mathbf P n end math end frame \end document </source> cc-zero Projective geometry Commutative diagrams Xy-pic diagrams Images with LaTeX source code |