Rylee Lyman's user avatar
Rylee Lyman's user avatar
Rylee Lyman's user avatar
Rylee Lyman
  • Member for 5 years, 2 months
  • Last seen more than a month ago
17 votes
Accepted

Road map to learn about $\operatorname{Out}{F_n}$

13 votes
Accepted

Morse theory on outer space via the lengths of finitely many conjugacy classes

12 votes

When do elements in the braid group $B_n$ commute?

8 votes
Accepted

Understanding fundamental group of Poincare homology sphere

8 votes

Equivalent definitions of Gromov hyperbolicity

7 votes

Equivalent definitions of Gromov hyperbolicity

7 votes

Equivalent definitions of Gromov hyperbolicity

6 votes

Equivalent definitions of Gromov hyperbolicity

6 votes
Accepted

When do covering spaces correspond to characteristic subgroups?

5 votes

Generating $\mathbf{PGL}_2(\mathbb{Z})$ and $\mathbf{PGL}_2(\mathbb{Q})$

5 votes

Equivalent definitions of Gromov hyperbolicity

5 votes
Accepted

Bound on the period of the identity (in a free group) for an automorphism followed by left-multiplication

5 votes

How to identify the two copies of $D_{24}$ in the homomorphisms of the 2 musical actions?

5 votes
Accepted

The geometry of the action of the semidirect product

4 votes

The meaning and purpose of "canonical''

4 votes

Universal cover or Bass-Serre tree: difference between definitions given by Bass and Serre

3 votes

Equivalent definitions of Gromov hyperbolicity

3 votes

Equivalent definitions of Gromov hyperbolicity

3 votes

Local isometry implies covering map: nonempty boundary case

3 votes
Accepted

Is there a general method for computing finitely generated normalizers?

2 votes

Growth rate of an outer automorphism of a free product

2 votes

Can graphs of groups be thought of as "graph objects" in the category of groupoids?

2 votes
Accepted

Equivalence of definitions of equivalence of étale Lie groupoids

2 votes

injectivity of pushout?

1 vote

Compact groupoid presentations for closed 2-orbifolds (or finite graphs of finite groups)?