Opened 4 years ago
Closed 4 years ago
#27211 closed defect (fixed)
Simplicial complexes: correct the documentation
Reported by:  John Palmieri  Owned by:  

Priority:  minor  Milestone:  sage8.7 
Component:  algebraic topology  Keywords:  simplicial complex 
Cc:  Merged in:  
Authors:  John Palmieri  Reviewers:  Darij Grinberg 
Report Upstream:  N/A  Work issues:  
Branch:  6ae1ee3 (Commits, GitHub, GitLab)  Commit:  6ae1ee38fc76dc6b0b70aef3fdb8d958350275b0 
Dependencies:  Stopgaps: 
Description
The documentation for simplicial complexes is outdated: it should say that the vertex set is determined automatically from the facets (as their union).
Change History (9)
comment:1 Changed 4 years ago by
Branch:  → u/jhpalmieri/simplicialdocs 

comment:2 Changed 4 years ago by
Commit:  → 15ee788e92bec980c6592fad0756d950f77a6f14 

Status:  new → needs_review 
comment:3 Changed 4 years ago by
+ automatically: `V` is defined to be the union of the sets `K`. So
>
+ automatically: `V` is defined to be the union of the sets in `K`. So
===
+simplicial complex, specify its *facets*: the maximal subsets (with +respect to inclusion) of the vertex set. Each facet can be specifed as
>
+simplicial complex, specify its *facets*: the maximal subsets (with +respect to inclusion) of the vertex set that belong to `K`. Each facet can be specifed as
===
Other than this, LGTM if the doc compiles (I don't have Sage installed, so I can't check) and if your claim about maximal_faces
being a number is true (is there a doctest?).
comment:4 Changed 4 years ago by
Lines 980981:
sage: SimplicialComplex([2]) Simplicial complex with vertex set (0, 1, 2) and facets {(0, 1, 2)}
comment:6 Changed 4 years ago by
Commit:  15ee788e92bec980c6592fad0756d950f77a6f14 → 6ae1ee38fc76dc6b0b70aef3fdb8d958350275b0 

Branch pushed to git repo; I updated commit sha1. This was a forced push. New commits:
6ae1ee3  trac 27211: in a simplicial complex, the vertex set is determined

comment:8 Changed 4 years ago by
Keywords:  simplicial complex added 

Reviewers:  → Darij Grinberg 
Status:  needs_review → positive_review 
LGTM, thanks!
comment:9 Changed 4 years ago by
Branch:  u/jhpalmieri/simplicialdocs → 6ae1ee38fc76dc6b0b70aef3fdb8d958350275b0 

Resolution:  → fixed 
Status:  positive_review → closed 
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trac 27211: in a simplicial complex, the vertex set is determined