Lie group empty boundary

91 Views Asked by At

I was looking for a Lie group structure on $D^3$, but I've heard that a Lie group has empty boundary: how can I prove this fact? I've no idea...any reference is also appreciated.

1

There are 1 best solutions below

0
On BEST ANSWER

A Lie group looks locally the same everywhere since left or right multiplication by a group element is a diffeomorphism.