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 reference-request
Search options not deleted
user 5063
Reference-request is used when the author needs to know about work related to the question.
16
votes
Accepted
Is the feedback vertex set problem on planar bounded degree graphs hard?
According to Garey and Johnson's book Vertex Cover is NP-complete on planar graphs of maximum degree four. Using a simple reduction from Vertex Cover to Feedback Vertex Set should give maximum degree …
- 409