4

Questions
votes newest views recent
9
16
votes
1
answer
771
views

Manifolds with two coordinate charts

jan 11 at 12:56 lanse 1

1
6
votes
2
answers
175
views

Dehn function for undistorted subgroups of a product of free groups

sep 14 at 17:45 Robert Young 276●3

2
4
votes
1
answer
193
views

Reference for subsemigroups of $\mathbb{N}^n$

aug 3 at 0:47 Benjamin Steinberg 10.7k●1●14●49

2
4
votes
1
answer
285
views

Does the fundamental group of a surface have rigid subgroups?

may 6 12 at 21:32 Richard Kent 8,525●2●29●58