User Qiaochu Yuan

3 votes

Distinct manifolds with the same configuration spaces?

answered Nov 22, 2013 at 20:19

3 votes

In which commutative algebras does any derivation possess a flow?

answered Oct 21, 2013 at 17:56

3 votes

Accepted

Explaining a comment: Difference between a transformation of points and a transformation of coordinates

answered Jul 14, 2013 at 17:18

3 votes

Accepted

Making use of extra symmetries; more examples?

answered Jan 15, 2021 at 22:29

3 votes

Reference for asymptotic estimates

answered Sep 19, 2022 at 20:58

3 votes

Accepted

One object preadditive groupoids as a categorification of skew fields

answered Sep 3, 2022 at 1:49

3 votes

Accepted

Local "pathologies" in spaces arising naturally in algebraic topology

answered Apr 25, 2016 at 20:53

3 votes

Lifting symmetries to the universal cover

answered Jul 10, 2016 at 2:27

3 votes

Is $S^1\vee S^1$ an Eilenberg-Mac Lane Space to a Homotopy Purist?

answered Jul 11, 2016 at 19:05

3 votes

Link between Irreducible Factors and Prime Factors (or Cycles of a Permutation)

answered Jan 19, 2017 at 21:57

3 votes

Accepted

Is there a function $f$ that is a finite sum of functions with finite products of the inputs of $f$ as inputs with this property?

answered Oct 4, 2020 at 22:28

3 votes

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Counting the number of points in a variety over a finite field

answered Oct 6, 2020 at 16:58

3 votes

Accepted

Analogue of integration for group cohomology

answered Sep 13, 2019 at 4:54

3 votes

Characterization of Frobenius complements

answered Sep 5, 2020 at 7:09

3 votes

Idempotent completion of linear categories and Yoneda

answered Mar 27, 2019 at 20:53

3 votes

Accepted

Classifying functions up to suitable pre-composition and/or post-composition

answered Nov 22, 2017 at 9:57

3 votes

Accepted

$H$-objects of a category $\mathcal{A}$ as $H$-fixed points of a $G$-category

answered Nov 28, 2017 at 18:39

3 votes

What does "higher monodromy" tell us about a principal bundle

answered Dec 1, 2015 at 21:55

3 votes

Groups with trivial rational homology and their finite index subgroups

answered Oct 20, 2015 at 7:05

3 votes

Parameterize unitary without transpose

answered Nov 18, 2015 at 1:32

3 votes

Commutator 2-forms on Lie groups

answered Dec 16, 2015 at 17:20

3 votes

Additive functors to abelian groups: "additional structure" and functors induced by "additive pseudo-functors"; references?

answered Dec 12, 2015 at 17:33

3 votes

Accepted

Heuristics for counting degrees of freedom

answered Jan 7, 2016 at 19:35

3 votes

Obstructions for $E_n$-algebras

answered Dec 11, 2014 at 0:40

3 votes

Simply connected Lie groups homeomorphic to R^n are solvable

answered Mar 28, 2015 at 5:27

3 votes

Accepted

Exact sequences of pointed sets - two definitions

answered Apr 29, 2015 at 5:21

2 votes

Accepted

Extensions of $SL(2,\mathbb{F}_q)$

answered May 5, 2015 at 1:56

2 votes

Is there a nice "synthetic" way for doing differential geometry on infinite dimensional vector spaces?

answered May 15, 2015 at 19:41

2 votes

Combinatorial\Probabilistic Proof of Stirling's Approximation

answered Mar 9, 2015 at 20:54

2 votes

Categorifying the free monoid and non-commutative generating functions

answered Mar 2, 2015 at 5:18

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951 Answers

Distinct manifolds with the same configuration spaces?

In which commutative algebras does any derivation possess a flow?

Explaining a comment: Difference between a transformation of points and a transformation of coordinates

Making use of extra symmetries; more examples?

Reference for asymptotic estimates

One object preadditive groupoids as a categorification of skew fields

Local "pathologies" in spaces arising naturally in algebraic topology

Lifting symmetries to the universal cover

Is $S^1\vee S^1$ an Eilenberg-Mac Lane Space to a Homotopy Purist?

Link between Irreducible Factors and Prime Factors (or Cycles of a Permutation)

Is there a function $f$ that is a finite sum of functions with finite products of the inputs of $f$ as inputs with this property?

Counting the number of points in a variety over a finite field

Analogue of integration for group cohomology

Characterization of Frobenius complements

Idempotent completion of linear categories and Yoneda

Classifying functions up to suitable pre-composition and/or post-composition

$H$-objects of a category $\mathcal{A}$ as $H$-fixed points of a $G$-category

What does "higher monodromy" tell us about a principal bundle

Groups with trivial rational homology and their finite index subgroups

Parameterize unitary without transpose

Commutator 2-forms on Lie groups

Additive functors to abelian groups: "additional structure" and functors induced by "additive pseudo-functors"; references?

Heuristics for counting degrees of freedom

Obstructions for $E_n$-algebras

Simply connected Lie groups homeomorphic to R^n are solvable

Exact sequences of pointed sets - two definitions

Extensions of $SL(2,\mathbb{F}_q)$

Is there a nice "synthetic" way for doing differential geometry on infinite dimensional vector spaces?

Combinatorial\Probabilistic Proof of Stirling's Approximation

Categorifying the free monoid and non-commutative generating functions