User John Pardon

6 votes

0 answers

149 views

Expressing an invertible sparse matrix as a product of few elementary matrices

asked Dec 22, 2023 at 15:52

8 votes

1 answer

277 views

Reflective functors?

asked Jun 18, 2023 at 19:28

2 votes

0 answers

155 views

Terminology for equivariant homology

asked Mar 13, 2023 at 20:53

1 vote

0 answers

82 views

Name for natural norm on functions to non-linear targets

asked Nov 30, 2022 at 22:26

2 votes

0 answers

234 views

Terminology in log geometry

asked Apr 27, 2022 at 18:45

6 votes

0 answers

244 views

Universal property of dg-algebras

asked Jan 29, 2022 at 16:15

7 votes

2 answers

592 views

Is $(x^2y,xy^2)$ log smooth?

asked Dec 19, 2021 at 14:33

6 votes

0 answers

218 views

Classifying nested 3-manifolds with fundamental group property

asked Jul 21, 2021 at 10:04

6 votes

1 answer

362 views

What is equivariant chains on a representation sphere?

asked Jan 13, 2021 at 16:28

4 votes

0 answers

240 views

Maximal Thurston--Bennequin number of boundary knot classes in contact handlebodies

asked Oct 26, 2020 at 2:30

1 vote

0 answers

132 views

Terminology for representation all of whose isotypic pieces are nontrivial

asked Mar 9, 2020 at 22:42

6 votes

1 answer

465 views

Category of spaces/sheaves

asked Dec 1, 2019 at 23:31

4 votes

1 answer

624 views

What is the local structure of a general Artin stack?

asked Nov 23, 2019 at 3:42

3 votes

1 answer

536 views

Stacks as local quotients or via atlases

asked Nov 16, 2019 at 1:31

3 votes

1 answer

288 views

What to call a morphism of sites inducing an equivalence on categories of sheaves?

asked Oct 28, 2019 at 2:02

6 votes

0 answers

880 views

Conventions for Riemann curvature tensor

asked Sep 23, 2019 at 15:42

8 votes

0 answers

244 views

Why mu-stratifications?

asked Jun 15, 2019 at 0:44

8 votes

1 answer

557 views

Terminology about G- simplicial complexes

asked May 27, 2019 at 14:26

16 votes

2 answers

2k views

Which definition of "proper" is better?

asked May 4, 2019 at 20:21

10 votes

0 answers

523 views

What is the mirror of an algebraic group?

asked Nov 4, 2018 at 11:33

8 votes

1 answer

629 views

Central extensions of loop groups

asked Oct 9, 2018 at 15:23

32 votes

1 answer

2k views

Limiting representation theory of quantum groups at roots of unity and $SL(2,\mathbb{C})$

asked Sep 30, 2018 at 17:46

20 votes

2 answers

801 views

Can a finite group action by homeomorphisms of a three-manifold be approximated by a smooth action?

asked Sep 29, 2017 at 19:44

8 votes

0 answers

434 views

Sheaf whose singular support is not Lagrangian

asked Sep 18, 2017 at 14:58

7 votes

2 answers

568 views

What is the strongest known RSW result in planar percolation?

asked Aug 29, 2017 at 19:55

14 votes

0 answers

270 views

Homotopy type of spaces of functions with few critical points

asked Jul 11, 2017 at 14:41

18 votes

1 answer

1k views

Categorification of Floer homology

asked Apr 30, 2017 at 20:18

3 votes

0 answers

315 views

Rational cohomology of formal multiplicative group

asked Apr 8, 2017 at 1:38

2 votes

0 answers

394 views

Terminology for "global sections" when sheaf is valued in general category

asked Apr 1, 2017 at 2:09

8 votes

1 answer

504 views

Most general maximum principle for non-integrable almost complex structures

asked Mar 5, 2017 at 2:03

Stack Exchange Network

130 Questions

Expressing an invertible sparse matrix as a product of few elementary matrices

Reflective functors?

Terminology for equivariant homology

Name for natural norm on functions to non-linear targets

Terminology in log geometry

Universal property of dg-algebras

Is $(x^2y,xy^2)$ log smooth?

Classifying nested 3-manifolds with fundamental group property

What is equivariant chains on a representation sphere?

Maximal Thurston--Bennequin number of boundary knot classes in contact handlebodies

Terminology for representation all of whose isotypic pieces are nontrivial

Category of spaces/sheaves

What is the local structure of a general Artin stack?

Stacks as local quotients or via atlases

What to call a morphism of sites inducing an equivalence on categories of sheaves?

Conventions for Riemann curvature tensor

Why mu-stratifications?

Terminology about G- simplicial complexes

Which definition of "proper" is better?

What is the mirror of an algebraic group?

Central extensions of loop groups

Limiting representation theory of quantum groups at roots of unity and $SL(2,\mathbb{C})$

Can a finite group action by homeomorphisms of a three-manifold be approximated by a smooth action?

Sheaf whose singular support is not Lagrangian

What is the strongest known RSW result in planar percolation?

Homotopy type of spaces of functions with few critical points

Categorification of Floer homology

Rational cohomology of formal multiplicative group

Terminology for "global sections" when sheaf is valued in general category

Most general maximum principle for non-integrable almost complex structures