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Top Questions
17
votes
Recovering an abelian category from the Ext of its simple objects
ct.category-theory
homological-algebra
derived-categories
asked Apr 30, 2021 at 19:59
mathoverflow.net
11
votes
Koebe–Andreev–Thurston theorem - where can I find a proof?
reference-request
co.combinatorics
graph-theory
plane-geometry
asked Nov 22, 2014 at 22:08
mathoverflow.net
9
votes
Detecting/Characterising positive elements in free groups
gr.group-theory
monoids
free-groups
computational-group-theo
asked Jul 10, 2017 at 17:32
mathoverflow.net
9
votes
Linear subspaces of $\mathrm{GL}_n(\mathbb{R})$ whose inverses are also linear subspaces
linear-algebra
ra.rings-and-algebras
matrices
matrix-theory
asked Oct 9, 2022 at 11:05
mathoverflow.net
9
votes
Changing coordinate to smoothen a function
real-analysis
differential-topology
smooth-manifolds
asked Apr 29, 2023 at 13:25
mathoverflow.net
8
votes
permissions of symlinks inside /tmp
permissions
symlink
tmp
permission-denied
asked Mar 31, 2017 at 10:29
unix.stackexchange.com
8
votes
Dedekind-finite arithmetic vs natural numbers arithmetic
nt.number-theory
set-theory
asked Apr 7, 2015 at 8:38
mathoverflow.net
6
votes
Properties of vector spaces without AC
axiom-of-choice
vector-spaces
asked Apr 21, 2014 at 7:25
mathoverflow.net
6
votes
Outer automorphism groups of finite groups
finite-groups
automorphism-group
asked Dec 1, 2017 at 17:27
math.stackexchange.com
5
votes
representable functions on FinGrp
gr.group-theory
finite-groups
asked Jul 15, 2014 at 11:43
mathoverflow.net
1
2
next
Top Answers
163
How can I completely hide and protect strings from the player in Unity?
gamedev.stackexchange.com
43
Is each squared finite group trivial?
mathoverflow.net
14
An identity for elementary symmetric functions
mathoverflow.net
10
Which theorems have Pythagoras' Theorem as a special case?
mathoverflow.net
8
Countable connected space where removing $1$ point destroys connectedness
mathoverflow.net
7
How many vertices can a self-complementary graph have?
mathoverflow.net