File:Projective module.png

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Projective_module.png(183 × 167 pixels, file size: 2 KB, MIME type: image/png)

Transferred from en.wikipedia to Commons by Maksim.

The original description page was here. All following user names refer to en.wikipedia.

Illustration of defining property of projective modules. The file was created by Axel Boldt with the Xy-Pic package for TeX; it is in the public domain. The source code, also in the public domain, was the following:


% Produce a postscript file from this input with tex and dvips.

% Loading the XY-Pic package:
\input xy
\xyoption{all}

% Using postscript driver for smoother curves
\xyoption{ps}
\xyoption{dvips}

% No need for page numbers
\nopagenumbers

$$
\xymatrix{ %Our diagram is a 2x2 matrix with the upper left entry emtpy
 & N\ar@{->>}[d]^f\\
P\ar@{.>}[ur]^{\exists h}\ar[r]^g & M
}
$$

\end

Public domain This work has been released into the public domain by its author, AxelBoldt. This applies worldwide.
In some countries this may not be legally possible; if so:
AxelBoldt grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
date/time username edit summary
05:06, 12 December 2004 en:User:Kbh3rd ({{PD-user|AxelBoldt}})
13:01, 11 December 2003 en:User:AxelBoldt (source code)
12:58, 11 December 2003 en:User:AxelBoldt (Illustration of defining property of projective modues)

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Date/TimeThumbnailDimensionsUserComment
current16:17, 20 March 2006Thumbnail for version as of 16:17, 20 March 2006183 × 167 (2 KB)Maksim (talk | contribs)La bildo estas kopiita de wikipedia:en. La originala priskribo estas: Illustration of defining property of projective modules. The file was created by Axel Boldt with the Xy-Pic package for TeX; it is in the public domain. The source code, also i
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