Rotation system
id:
rotation-system-189-2407193
title:
Rotation system
text:
In combinatorial mathematics, rotation systems encode embeddings of graphs onto orientable surfaces by describing the circular ordering of a graph's edges around each vertex.
A more formal definition of a rotation system involves pairs of permutations; such a pair is sufficient to determine a multigraph, a surface, and a 2-cell embedding of the multigraph onto the surface. Every rotation scheme defines a unique 2-cell embedding of a connected multigraph on a closed oriented surface. Conversely,
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Rotation_system
date created:
2005-11-09T17:52:58Z
date modified:
2024-09-09T07:30:15Z
main entity:
{"identifier":"Q7370316","url":"https://www.wikidata.org/entity/Q7370316"}
image:
fields total:
13
integrity:
14