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 seifert-surfaces
Search options not deleted
user 13767
Surfaces bounding a knot or a link.
4
votes
1
answer
430
views
How disconnected can a Seifert surface be?
Seifert surfaces
The standard definition of a Seifert surface for a link in $S^3$ is an oriented, compact surface embedded in $S^3$, bounding the link. Often, it is assumed to be connected, but given …
- 5,565
3
votes
Is there a notion of "ribbon 2-category"?
I'm currently trying to work out the details. Here is how far I got:
Pivotal categories
You can do graphical calculus on $\mathbb{R}^2$ with monoidal categories.
Boxes represent morphisms, lines ar …
- 5,565