37

Answers
votes newest views recent
22
Zariski-closed subsemigroups of SL_n(C) are groups
20
Ultraproducts of finite cyclic groups
18
Jokes in the sense of Littlewood: examples?
18
Wonderful applications of the Vandermonde determinant
15
Why are free groups residually finite?
12
Partition of R into midpoint convex sets
12
prime ideals in C([0,1])
11
Is there a group homeomorphic to but not homeomorphically isomorphic to the circle group?
9
What is your favorite “strange” function?
8
A set for which it is hard to determine whether or not it is countable.
8
German mathematical terms like “Nullstellensatz”
7
Uniform lattices in semisimple Lie groups
7
Any factor group of a finite abelian group is isomorphic to some subgroup
6
Origins of Mathematical Symbols/Names
5
discrete subgroups in p-adic Lie groups?
5
Automorphisms of $SL_n(\mathbb{Z})$
4
When does the set of isometries form a group?
4
Amenable exponential growth
4
Random Walk anecdote.
4
Function with range equal to whole reals on every open set
3
description of functions of conditionally negative type on a group
3
Dense cyclic subgroup
2
Undergraduate Probability Topics
2
Uniqueness in Composition of Polynomials
2
How Can I Tell when A Subgroup of a Lie Group is Generated by Unipotents?
2
Problems where we can’t make a canonical choice, solved by looking at all choices at once
2
Importance of Poincaré recurrence theorem? Any example?
2
A large deviation / binomial coefficients bound
2
arithmetic groups VS. Zariski dense discrete subgroups?
1
Are extensions of linear groups linear?
1 2 next