User Dmitry Vaintrob

47 votes

1 answer

3k views

A three-line proof of global class field theory?

asked Sep 10, 2016 at 0:38

35 votes

5 answers

5k views

Does quantum mechanics ever really quantize classical mechanics?

asked Dec 11, 2015 at 6:31

31 votes

1 answer

2k views

A modern interpretation of Quillen's computation of the K theory of finite fields

asked Aug 4, 2016 at 22:38

17 votes

2 answers

696 views

Homotopy theories of operads

asked Jul 17, 2018 at 4:45

16 votes

1 answer

1k views

GAGA for stacks

asked Dec 17, 2018 at 20:20

14 votes

1 answer

799 views

How much of a variety can be reconstructed from codimension-zero data?

asked Mar 24, 2013 at 14:40

12 votes

3 answers

2k views

Intuition for Levi-Civita connection via Hamiltonian flows

asked Apr 12, 2013 at 5:58

12 votes

2 answers

794 views

What is the coefficient ring of algebraic K theory of the discrete $\mathbb{C}$?

asked May 13, 2014 at 7:46

12 votes

1 answer

1k views

Is there a physical reason that fields in QFT are globally defined?

asked Jun 5, 2020 at 19:52

11 votes

0 answers

607 views

The virtual fundamental class as derived intersection

asked Sep 11, 2019 at 19:10

11 votes

1 answer

789 views

Connectedness, loops and formal moduli problems

asked Mar 1, 2020 at 1:39

10 votes

0 answers

342 views

Hodge structure and rational coefficients

asked Sep 9, 2020 at 2:23

10 votes

2 answers

1k views

periodic cyclic homology and tilting in the sense of Scholze

asked Oct 4, 2017 at 13:29

9 votes

0 answers

745 views

When does algebraic K theory behave like a cohomology theory

asked Dec 22, 2015 at 9:19

8 votes

2 answers

1k views

Is there a finitely presented group with infinite homology over $\mathbb{Q}$?

asked Aug 7, 2014 at 3:54

8 votes

2 answers

742 views

A product identity for partitions

asked Jun 11, 2012 at 5:52

8 votes

2 answers

1k views

A basis for Schur functors

asked Feb 4, 2013 at 20:30

8 votes

0 answers

145 views

singular homology of manifold with corners

asked Feb 24, 2021 at 20:19

8 votes

1 answer

603 views

How much of the category of motives can be recovered from automorphisms of the Betti functor

asked Oct 12, 2019 at 22:48

8 votes

1 answer

991 views

Compactly supported sections of coherent sheaves and the dualizing complex

asked Dec 18, 2021 at 5:35

7 votes

3 answers

934 views

Elegant proofs of $\bar{\partial}z^{-1} = 2\pi \delta_0$

asked Apr 9, 2022 at 12:25

7 votes

0 answers

223 views

Duality of Hopf algebras and duality of spectra

asked Nov 17, 2019 at 20:31

7 votes

1 answer

499 views

Localization of symmetric monoidal categories and geometry

asked Mar 31, 2020 at 23:26

7 votes

1 answer

749 views

What's a (infinity-) semi-stack?

asked Dec 21, 2017 at 22:43

7 votes

2 answers

534 views

A log structure on the moduli space of curves

asked Mar 23, 2018 at 23:02

7 votes

0 answers

172 views

Finding a database of representations as matrices

asked Jul 4, 2012 at 21:42

7 votes

1 answer

725 views

Bounding archimedean lengths of fundamental units

asked Aug 21, 2010 at 23:23

7 votes

0 answers

973 views

When do limits and colimits of infinity-categories commute?

asked Aug 13, 2014 at 3:38

6 votes

1 answer

954 views

What is a higher derived constructible sheaf

asked Apr 23, 2013 at 20:55

6 votes

1 answer

737 views

Tate models for semistable algebraic varieties with mixed reduction over a local field

asked Jan 8, 2011 at 5:28

Stack Exchange Network

75 Questions

A three-line proof of global class field theory?

Does quantum mechanics ever really quantize classical mechanics?

A modern interpretation of Quillen's computation of the K theory of finite fields

Homotopy theories of operads

GAGA for stacks

How much of a variety can be reconstructed from codimension-zero data?

Intuition for Levi-Civita connection via Hamiltonian flows

What is the coefficient ring of algebraic K theory of the discrete $\mathbb{C}$?

Is there a physical reason that fields in QFT are globally defined?

The virtual fundamental class as derived intersection

Connectedness, loops and formal moduli problems

Hodge structure and rational coefficients

periodic cyclic homology and tilting in the sense of Scholze

When does algebraic K theory behave like a cohomology theory

Is there a finitely presented group with infinite homology over $\mathbb{Q}$?

A product identity for partitions

A basis for Schur functors

singular homology of manifold with corners

How much of the category of motives can be recovered from automorphisms of the Betti functor

Compactly supported sections of coherent sheaves and the dualizing complex

Elegant proofs of $\bar{\partial}z^{-1} = 2\pi \delta_0$

Duality of Hopf algebras and duality of spectra

Localization of symmetric monoidal categories and geometry

What's a (infinity-) semi-stack?

A log structure on the moduli space of curves

Finding a database of representations as matrices

Bounding archimedean lengths of fundamental units

When do limits and colimits of infinity-categories commute?

What is a higher derived constructible sheaf

Tate models for semistable algebraic varieties with mixed reduction over a local field