Keywords: Long short exact sequences.png exact sequence is weaved together from several overlapping short exact sequences 2004-02-05 Created by User AxelBoldt using the method below User AxelBoldt Produced by TeX and XY-Pic using the source code shown below Both the image and the source code are in the public domain <pre> 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 3pt We want equal spacing and the entries close together 0\ardr 0 0\ardr 0 0\ardr 0\\ C_2\arur\ardr C_4\arur\ardr C_6\arur\ardr\\ A_1\arrr\arur A_2\arrr\ardr A_3\arrr\arur A_4\arrr\ardr A_5\arur\arrr A_6\ardr\\ C_1\arur C_3\arur\ardr C_5\arur\ardr C_7\ardr\\ 0\arur 0\arur 0 0\arur 0 0 \end </pre> AxelBoldt en Original upload log en wikipedia FtCG page en wikipedia Long_short_exact_sequences png wikitable Date/Time Dimensions User Comment - 15 35 5 February 2004 450 × 150 2 823 bytes AxelBoldt w en <nowiki> </nowiki> Exact sequence Sequence diagrams |