Skip to main content
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
Search options not deleted user 9417
14 votes
Accepted

Borromean braids

Certain elements in the $n-1$st term of the lower central series of the pure braid group should work. The pure braid group is generated by generators $\beta_{i,j}$ where the $i$th strand pushes a fin …
Jim Conant's user avatar
  • 4,898
2 votes
Accepted

Where can one find reference proving that Braid group induces isomorphism between punctured ...

The isomorphism of fundamental groups comes from a diffeomorphism of spaces: $D\times[0,1]\setminus B$ is diffeomorphic to the product of an n-punctured disk with $[0,1]$. To see this, note that you c …
Jim Conant's user avatar
  • 4,898