MathOverflow will be down for maintenance for approximately 3 hours, starting Monday evening (06/24/2013) at approximately 9:00 PM Eastern time (UTC-4).

Stefan Behrens

99
Reputation
200 views
Is this your account?

Registered User 

Name Stefan Behrens
Member for 2 years
Seen 18 hours ago
Website
Location MPIM Bonn
Age
PhD student, low dimensional topologist, 4-manifold aficionado

179
85
votes
72
answers
25k
views

47

28
26
votes
5
answers
3k
views

9

6

6

4
13
votes
8
answers
3k
views

12

6

5
11
votes
3
answers
1k
views

11

1
7
votes
1
answer
545
views

3
7
votes
3
answers
987
views

distance formula in Farey graph?

jul 26 10 at 5:15 Ian Agol 24.3k13486

5

3