File:PseudoRing.png

PseudoRing.png(179 × 167 pixels, file size: 583 bytes, MIME type: image/png)

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\documentclass[a4paper]{article}
\usepackage[dvips,matrix,arrow,ps,color,line,curve,frame]{xy}
\usepackage{diagxy}

\thispagestyle{empty}

\begin{document}
$$\bfig
\qtriangle
/^{ (}->`>`-->/
[A`A_1`R
;
i`\varphi`\varphi^1]
\efig$$
\end{document}

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latex source.tex
dvips source.dvi
ps2eps source.ps
pstopnm -portrait -xmax 180 source.eps
pnmtopng source.eps001.ppm > source.png

Summary

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Description
English: A commutative diagram about Dorroh extension
Source Own work
Author Touriste

Licensing

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Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

File history

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Date/TimeThumbnailDimensionsUserComment
current14:19, 8 February 2011Thumbnail for version as of 14:19, 8 February 2011179 × 167 (583 bytes)Touriste (talk | contribs)Typo on previous versions (supposed to be \varphi^1)
14:15, 8 February 2011Thumbnail for version as of 14:15, 8 February 2011159 × 148 (519 bytes)Touriste (talk | contribs)Smaller size version, more suitable for inclusion in a Wikipedia article
12:06, 8 February 2011Thumbnail for version as of 12:06, 8 February 2011611 × 570 (3 KB)Touriste (talk | contribs){{Information |Description ={{en|1=Coming later}} |Source ={{own}} |Author =Touriste |Date = |Permission = |other_versions = }}

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