Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results tagged with at.algebraic-topology
Search options not deleted
user 97688
Homotopy theory, homological algebra, algebraic treatments of manifolds.
1
vote
Example of a simplicial complex containing a free face with (at least) three vertices
Ok, I have found myself an answer; just consider the simplicial complex $\Delta$ with facets $\{1,2,3,4\}$, $\{4,5\}$, $\{4,6\}$ and $\{5,6\}$; one can easily check that, for instance, $\{1,2,4\}$ is …
2
votes
1
answer
529
views
Example of a simplicial complex containing a free face with (at least) three vertices
Let $\Delta$ be a simplicial complex, we say that a face $F$ of $\Delta$ is free provided there is a single vertex $v$ not contained in $F$ such that the face determined by the union of $F$ and $v$ is …