#11703: another example of simplicial complex : the K3 surface
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Reporter: chapoton | Owner: jhpalmieri
Type: enhancement | Status: positive_review
Priority: minor | Milestone: sage-4.7.2
Component: algebraic topology | Keywords: simplicial complex
Work_issues: | Upstream: N/A
Reviewer: John Palmieri | Author: Frédéric Chapoton
Merged: | Dependencies:
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Description changed by jhpalmieri:
Old description:
> I propose to add to the list of simplicial complexes the minimal
> triangulation of the K3 surface, which has 16 vertices and 288 facets.
>
> {{{
> sage: simplicial_complexes.K3_surface()
> Simplicial complex with vertex set (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
> 12, 13, 14, 15, 16) and 288 facets
> }}}
>
> This is can either be defined by storing the data or by recovering it
> using a group action. What should I prefer ?
>
> Reference : Combinatorial properties of the K3 surface:
> Simplicial blowups and slicings by Jonathan Spreer & Wolfgang Kühnel
New description:
I propose to add to the list of simplicial complexes the minimal
triangulation of the K3 surface, which has 16 vertices and 288 facets.
{{{
sage: simplicial_complexes.K3_surface()
Simplicial complex with vertex set (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
13, 14, 15, 16) and 288 facets
}}}
This is can either be defined by storing the data or by recovering it
using a group action. What should I prefer ?
Reference : Combinatorial properties of the K3 surface:
Simplicial blowups and slicings by Jonathan Spreer & Wolfgang Kühnel
--------
Apply
- [attachment:trac_11703-simplicial_K3_surface-fc.patch] and
[attachment:trac_11703-referee.patch].
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11703#comment:10>
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