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Ian Agol

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Name Ian Agol
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Location Berkeley
Age 43
8

Questions
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“The” random tree

mar 5 at 22:00 Samuele Giraudo 223●1●1●7

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13
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answer
644
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$SL_2 R$ Casson invariant?

feb 28 10 at 17:08 Charlie Frohman 2,395●5●15

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3
10
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5
answers
2k
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Best mathematics conference?

nov 26 09 at 9:32 JS Milne 5,528●18●36

7
9
votes
3
answers
814
views

How many elements does it take to normally generate a group?

feb 14 11 at 1:09 ndkrempel 1,366●6●19

4

 

 

335

Answers
votes newest views recent
55
Why is BG infinite dimensional for G finite ?
29
Parallelizability of the Milnor’s exotic spheres in dimension 7
27
Can we ascertain that there exist an epimorphism $G\rightarrow H?$
26
Proofs without words
26
Level sets of Morse functions
24
Is it possible to capture a sphere in a knot?
22
What do Weierstrass points look like?
21
isotopy inverse embeddings vs. diffeomorphisms
20
Not especially famous, long-open problems which anyone can understand
20
Does this approach for the Poincare conjecture work?
20
What are some interesting corollaries of the classification of finite simple groups?
17
What are some of the big open problems in 3-manifold theory?
17
What makes four dimensions special?
17
Elevator pitch for the Virtual Fibering Theorem
16
Are there any non-planar graphs containing only K(3,3) as a subgraph that are not 4-colourable?
16
Consequences of the Langlands program
16
How people think about ending lamination?
16
conformally flat manifold with positive scalar curvature
16
Complete knot invariant?
16
Does every finitely presentable group have a presentation that simultaneously minimizes the number of generators and number of relators?
15
Distinguishing congruence subgroups of the modular group
15
Does Ricci flow with surgery come from sections of a smooth Riemannian manifold?
14
Compactification theorem for differentiable manifolds ?
14
Diffeomorphism of 3-manifolds
14
Largest hyperbolic disk embeddable in Euclidean 3-space?
14
Metric spheres in CAT(0) manifolds
14
Beautiful descriptions of exceptional groups
14
What finitely presented groups embed into GL_2?
13
Independent evidence for the classification of topological 4-manifolds?
13
Why should I care about Heegaard-Floer theory?
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