Opened 16 months ago

Last modified 5 weeks ago

## #31960 new enhancement

# Compute the Intersection Poset of a Cone of a Hyperplane Arrangement

Reported by: | Galen Dorpalen-Barry | Owned by: | |
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Priority: | minor | Milestone: | sage-9.8 |

Component: | geometry | Keywords: | hyperplane arrangement, intersection poset, cone |

Cc: | Trevor Karn | Merged in: | |

Authors: | Galen Dorpalen-Barry | Reviewers: | |

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

Branch: | Commit: | ||

Dependencies: | #28261 | Stopgaps: |

### Description

A cone K of a hyperplane arrangement of A is an intersection of halfspaces defined by some of the hyperplanes of A (K is an open set). An intersection X of a cone K is an intersection of the arrangement A such that the intersection X has a nonempty intersection with K.

### Change History (5)

### comment:1 Changed 16 months ago by

Dependencies: | 28261 → #28261 |
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### comment:2 Changed 15 months ago by

Milestone: | sage-9.4 → sage-9.5 |
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### comment:3 Changed 10 months ago by

Milestone: | sage-9.5 → sage-9.6 |
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### comment:4 Changed 6 months ago by

Milestone: | sage-9.6 → sage-9.7 |
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### comment:5 Changed 5 weeks ago by

Milestone: | sage-9.7 → sage-9.8 |
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