User Ethan Dlugie - MathOverflow

Ethan Dlugie

Member for 3 years, 2 months
Last seen this week

UC Berkeley

15 Questions

Score Activity Newest Views

12 votes

1 answer

421 views

How do we know there are no more Deligne–Mostow/Thurston lattices?

asked Mar 7 at 20:07

11 votes

0 answers

185 views

Jacobi fields on non-geodesic curves

asked Apr 17, 2020 at 22:33

9 votes

0 answers

138 views

Configuration space of 4 points as an orbifold

asked Sep 21, 2021 at 18:03

6 votes

1 answer

339 views

What does it matter if a group has a non-elementary hyperbolic quotient?

asked Jan 21, 2021 at 18:24

6 votes

2 answers

612 views

Higher homotopy groups of irreducible 3-manifolds

asked Jan 28, 2021 at 18:38

6 votes

1 answer

287 views

When are groups generated by reflections in a triangle discrete?

asked Aug 11, 2022 at 22:00

5 votes

0 answers

171 views

Tools for computing from group presentations

asked Feb 16, 2021 at 5:55

4 votes

1 answer

94 views

Inheritance of arithmeticity properties in orbifold strata

asked Mar 11 at 2:08

3 votes

1 answer

134 views

2-orbifolds that I expect to be hyperbolic, but they're nonnegatively curved

asked Aug 25, 2022 at 21:15

3 votes

1 answer

119 views

Squier's conjecture on Burau at roots of unity

asked Feb 3 at 6:14

3 votes

1 answer

232 views

$\pi_0(G)$ as a subgroup of a Lie group $G$

asked Jan 30, 2020 at 2:24

3 votes

1 answer

216 views

Good algorithmic properties for quotients of braid groups

asked Oct 25, 2021 at 17:19

3 votes

1 answer

141 views

Multiplicative group of number field mod field norms of quadratic extension

asked Feb 8, 2022 at 22:24

2 votes

1 answer

137 views

Intersection pairing on $H_1$ of surfaces

asked Jun 8, 2022 at 0:47

1 vote

2 answers

291 views

Clarification on arithmetic groups example

asked Jan 26, 2022 at 2:16