#9806: Constellations
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Reporter: vdelecroix |
Owner: vdelecroix
Type: enhancement |
Status: needs_work
Priority: major |
Milestone: sage-5.3
Component: combinatorics |
Resolution:
Keywords: constellation, permutation, surfaces, graphs | Work
issues: doc coverage, tests
Report Upstream: N/A |
Reviewers:
Authors: vdelecroix | Merged
in:
Dependencies: |
Stopgaps:
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Description changed by chapoton:
Old description:
> A constellation is a combinatorial description (via elements of the
> symmetric group) of graphs embedded in surfaces (also called G-map). This
> ticket aims to implement a basic class for it with:
> * fast data type
> * normal form and isomorphism test
> * enumeration/generation with constraints
>
> Apply:
> * trac_9806-constellations-vd.patch
> * trac_9806-constellations-doc-patch-fc.patch
New description:
A constellation is a combinatorial description (via elements of the
symmetric group) of graphs embedded in surfaces (also called G-map). This
ticket aims to implement a basic class for it with:
* fast data type
* normal form and isomorphism test
* enumeration/generation with constraints
Apply:
* [attachment:trac_9806-constellations-vd.patch]
* [attachment:trac_9806-constellations-doc-patch-fc.patch]
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9806#comment:9>
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