Opened 6 years ago

Last modified 6 years ago

## #16729 new enhancement

# weighted Dynkin diagrams

Reported by: | vittucek | Owned by: | |
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Priority: | major | Milestone: | sage-6.4 |

Component: | combinatorics | Keywords: | |

Cc: | tscrim | Merged in: | |

Authors: | Reviewers: | ||

Report Upstream: | N/A | Work issues: | |

Branch: | Commit: | ||

Dependencies: | #15948 | Stopgaps: |

### Description

This patch adds a class of weighted Dynkin diagram (and associated weighted Cartan types). These weights appear above the nodes of the diagram. This notation is used in the theory of nilpotent orbits and in a certain subbranch of differential geometry, see e.g. http://arxiv.org/abs/1303.1307

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