File:Mayer-Vietoris naturality.png

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Summary

Description
English: A commutative diagram of long exact sequences (Mayer-Vietoris sequences).
Date
Source Own work
Author GeometryGirl
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Data file

The commutative diagram was done using the following LaTeX code:

\documentclass[12]{article}

\usepackage[left=1cm,top=2cm,right=2cm,nohead]{geometry}
\usepackage{amsmath,amscd} 

\begin{document}

\[\minCDarrowwidth13pt
\begin{CD}
\cdots@>>>H_{n+1}(X_1) @>>> H_n(A_1\cap B_1) @>>> H_n(A_1)\oplus H_n(B_1)@>>>H_n(X_1)@>>>H_{n-1}(A_1\cap B_1)@>>>\cdots\\ 
@.@Vf_*VV@Vf_*VV@Vf_*VV@Vf_*VV@Vf_*VV@.\\
\cdots@>>>H_{n+1}(X_2) @>>> H_n(A_2\cap B_2) @>>> H_n(A_2)\oplus H_n(B_2)@>>>H_n(X_2)@>>>H_{n-1}(A_2\cap B_2)@>>>\cdots\\ 
\end{CD}
\]

\end{document}

Licensing

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.

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16 December 2008

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Date/TimeThumbnailDimensionsUserComment
current16:42, 5 January 2009Thumbnail for version as of 16:42, 5 January 20091,435 × 196 (31 KB)wikimediacommons>GeometryGirl{{Information |Description= |Source= |Date= |Author= |Permission= |other_versions= }}

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