User David Ben-Zvi

7 votes

Defining extended TQFTs with point, line, surface, … operators

answered May 2, 2023 at 1:02

8 votes

What is the Zhu algebra of a vertex algebra "really"?

answered Apr 26, 2023 at 14:24

13 votes

Relationship between the TQFTs in Kapustin-Witten and Ben-Zvi-Sakellaridis-Venkatesh

answered Jun 23, 2022 at 21:30

4 votes

Why is Langlands functoriality usually related with period integral in a third group?

answered Jun 5, 2022 at 23:53

7 votes

Quotient of a quotient stack: interesting examples?

answered Feb 23, 2022 at 20:47

6 votes

Deequivariantisation of indecomposable sheaves

answered Nov 21, 2021 at 19:56

14 votes

Instances of "correcting" the compact objects of a category?

answered Oct 30, 2021 at 21:26

9 votes

Accepted

Why is the ring of Grothendieck differential operators bad when $X$ is singular?

answered Sep 8, 2021 at 2:08

7 votes

Statement of local geometric Langlands

answered Aug 25, 2021 at 1:56

2 votes

Accepted

Intuition for points of the moduli of objects for a dg-category

answered Jun 30, 2021 at 15:57

8 votes

Accepted

Chevalley complex and $\text{BG}$

answered Jun 7, 2021 at 22:29

3 votes

Accepted

Categorical-geometric Langlands for tori

answered Jun 6, 2021 at 19:03

10 votes

What precisely Is "Categorification"?

answered Jun 5, 2021 at 17:11

4 votes

Accepted

Uses for (Framed) E2 algebras twisted by braided monoidal structure

answered Apr 25, 2021 at 2:09

5 votes

Path integral derivation of extended TQFT

answered May 25, 2020 at 17:59

4 votes

Accepted

Can every point of Wilson's adelic Grassmannian be obtained by Krichever construction of solutions to KP equations?

answered May 7, 2020 at 17:48

12 votes

Geometric Langlands: From D-mod to Fukaya

answered Apr 16, 2020 at 18:41

15 votes

How can I see the relation between shtukas and the Langlands conjecture?

answered Apr 2, 2020 at 19:36

4 votes

What is a tamely-ramified Weil-Deligne representation?

answered Aug 13, 2019 at 22:30

5 votes

Explanation of definition of George Wilson's adelic Grassmannian

answered Aug 13, 2019 at 14:01

10 votes

How should I think about the Grothendieck-Springer alteration?

answered Nov 4, 2018 at 18:56

10 votes

Accepted

Interpretation of the cohomology of compact lie groups and their classifying spaces in DAG?

answered Dec 17, 2017 at 18:59

21 votes

Accepted

LMS Lectures on Geometric Langlands

answered Nov 4, 2017 at 15:11

8 votes

Accepted

Categorical mapping class group action

answered Mar 3, 2017 at 18:45

12 votes

Accepted

What are local spaces and what are they good for?

answered Jan 18, 2016 at 3:28

4 votes

Mathematics of Chiral Rings

answered Nov 9, 2015 at 14:37

11 votes

Differential operators are coKleisli morphisms of the jet co-monad

answered May 13, 2015 at 17:29

26 votes

What are the local Langlands conjectures nowadays, for connected reductive groups over a $p$-adic field?

answered Dec 6, 2014 at 21:04

18 votes

Accepted

Why can't we take three loops?

answered Nov 6, 2014 at 17:52

14 votes

Accepted

Is there an $(\infty,2)$-category with morphisms given by $D^b\text{Coh}$?

answered Sep 23, 2014 at 2:06

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189 Answers

Defining extended TQFTs with point, line, surface, … operators

What is the Zhu algebra of a vertex algebra "really"?

Relationship between the TQFTs in Kapustin-Witten and Ben-Zvi-Sakellaridis-Venkatesh

Why is Langlands functoriality usually related with period integral in a third group?

Quotient of a quotient stack: interesting examples?

Deequivariantisation of indecomposable sheaves

Instances of "correcting" the compact objects of a category?

Why is the ring of Grothendieck differential operators bad when $X$ is singular?

Statement of local geometric Langlands

Intuition for points of the moduli of objects for a dg-category

Chevalley complex and $\text{BG}$

Categorical-geometric Langlands for tori

What precisely Is "Categorification"?

Uses for (Framed) E2 algebras twisted by braided monoidal structure

Path integral derivation of extended TQFT

Can every point of Wilson's adelic Grassmannian be obtained by Krichever construction of solutions to KP equations?

Geometric Langlands: From D-mod to Fukaya

How can I see the relation between shtukas and the Langlands conjecture?

What is a tamely-ramified Weil-Deligne representation?

Explanation of definition of George Wilson's adelic Grassmannian

How should I think about the Grothendieck-Springer alteration?

Interpretation of the cohomology of compact lie groups and their classifying spaces in DAG?

LMS Lectures on Geometric Langlands

Categorical mapping class group action

What are local spaces and what are they good for?

Mathematics of Chiral Rings

Differential operators are coKleisli morphisms of the jet co-monad

What are the local Langlands conjectures nowadays, for connected reductive groups over a $p$-adic field?

Why can't we take three loops?

Is there an $(\infty,2)$-category with morphisms given by $D^b\text{Coh}$?