#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 dimpase):
Replying to [comment:11 dperkinson]:
> Hmm... I am not having that problem (Ubuntu 10.10, Sage Version 4.7,
Release Date: 2011-05-23).
OK, I'll look further into this.
>
> About spanning trees: are you thinking of adding them, using a bijection
between them and elements of the sandpile group?
actually, I need it for directed graphs, in view of
https://oeis.org/draft/A027362;
the only reference in literature on sandpiles for directed graphs I know
is in a recent paper by Lionel Levine --- and no explicit bijection is
given there. It seems one has to roll his own here, no?
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11682#comment:12>
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