#11682: thematic tutorial on sandpiles
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   Reporter:  dperkinson     |          Owner:  mvngu          
       Type:  enhancement    |         Status:  needs_info     
   Priority:  major          |      Milestone:  sage-4.7.2     
  Component:  documentation  |       Keywords:  sandpile       
Work_issues:                 |       Upstream:  N/A            
   Reviewer:                 |         Author:  David Perkinson
     Merged:                 |   Dependencies:                 
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Comment(by dperkinson):

 Hmm...  I am not having that problem (Ubuntu 10.10, Sage Version 4.7,
 Release Date: 2011-05-23).

 About spanning trees: are you thinking of adding them, using a bijection
 between them and elements of the sandpile group?

 Replying to [comment:10 dimpase]:
 > Replying to [comment:9 dperkinson]:
 > > The third version of the patch, trac_11682_sandpile_doc.v3.patch does
 the following:
 >
 > At http://localhost:8000/doc/live/thematic_tutorials/sandpile.html#zeros
 I see
 > {{{
 > The zero set for the sandpile ideal  is
 >
 >       Extra close brace
 > }}}
 > (the latter is in a red frame)
 > instead of a rendering of the (correctly looking) TeX formula. Is it
 just me (MacOSX 10.6, Sage 4.7.apha5)?
 >
 > PS. I looked at it in hope of finding code to supply the addition
 operation on the spanning trees, but to no avail :-)

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11682#comment:11>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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