User jg1896 - MathOverflow

65 votes

4 answers

8k views

When size matters in category theory for the working mathematician

asked Jul 18, 2020 at 17:32

21 votes

2 answers

3k views

A royal road to Coulomb branches of 3D $\mathcal{N}=4$ gauge theories

asked Jul 10, 2020 at 23:21

13 votes

2 answers

2k views

Is GCH useful in proving theorems?

asked Nov 28, 2023 at 20:17

12 votes

3 answers

945 views

Axiomatic definition of quantum groups

asked Aug 1, 2020 at 18:16

11 votes

1 answer

533 views

Invariant theory in universal algebra

asked Jul 11, 2020 at 21:02

11 votes

0 answers

489 views

A rather strange algebra

asked May 2, 2024 at 12:57

10 votes

2 answers

506 views

Reference for an old result of P. M. Cohn

asked Apr 25, 2024 at 21:02

10 votes

0 answers

332 views

Is Noether's Problem undecidable?

asked Feb 13, 2025 at 8:40

8 votes

0 answers

202 views

Kac-Moody algebras of indefinite type

asked Apr 26, 2024 at 8:22

8 votes

0 answers

146 views

Expositions of symplectic reflection groups

asked Apr 17, 2024 at 8:39

8 votes

0 answers

256 views

Differential birational equivalence

asked Jul 12, 2020 at 16:11

8 votes

1 answer

454 views

Question about a remark on quantization of Coulomb branches

asked Nov 22, 2023 at 14:52

7 votes

2 answers

573 views

Survey of recent developments of the Gelfand-Kirillov dimension

asked Jul 31, 2020 at 17:55

7 votes

1 answer

403 views

Algebras Morita equivalent with the Weyl Algebra and its smash products with a finite group

asked Jul 3, 2020 at 16:30

7 votes

1 answer

393 views

An explicit negative solution to the Lüroth problem for non-algebraically closed fields

asked Jul 3, 2020 at 17:25

7 votes

0 answers

320 views

Independence results on pure algebra

asked Jul 11, 2020 at 20:21

7 votes

2 answers

545 views

Set theoretical foundations for derived categories

asked Nov 10, 2024 at 10:53

6 votes

0 answers

517 views

An imaginary disaster scenario - second order arithmetic is inconsistent

asked Nov 25, 2023 at 20:14

6 votes

0 answers

228 views

Elementary equivalence for rings

asked Nov 27, 2023 at 14:57

6 votes

0 answers

539 views

Proof of a result by Zhang in Artin's seminal paper

asked Nov 25, 2023 at 12:18

5 votes

1 answer

466 views

Generalizations of Chevalley–Shephard–Todd's Theorem?

asked Nov 10, 2023 at 15:44

5 votes

0 answers

285 views

Pseudoreflection groups in affine varieties

asked Jun 29, 2020 at 16:27

5 votes

1 answer

548 views

Computational complexity of proof verification

asked Jul 12, 2020 at 17:06

5 votes

0 answers

177 views

Noether's Problem and the Inverse Problem on Galois Theory

asked Apr 30, 2024 at 21:22

5 votes

0 answers

81 views

Generators and relations for invariants of the Weyl algebra

asked Jan 25, 2025 at 11:25

5 votes

0 answers

208 views

Gelfand-Kirillov dimension and tensor products

asked May 29, 2024 at 6:58

5 votes

0 answers

199 views

Rationality and stable rationality in first-order logic

asked Apr 25, 2025 at 17:36

5 votes

0 answers

191 views

When does Zariski's Problem in birational geometry have a positive solution?

asked Sep 24, 2025 at 0:18

5 votes

0 answers

100 views

Irreducible modules for the Weyl algebras with every possible dimension

asked Apr 13 at 20:39

4 votes

1 answer

176 views

A counter-example to equality of Krull and Gelfand-Kirillov dimension of commutative rings

asked Mar 1, 2025 at 13:14

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73 Questions

When size matters in category theory for the working mathematician

A royal road to Coulomb branches of 3D $\mathcal{N}=4$ gauge theories

Is GCH useful in proving theorems?

Axiomatic definition of quantum groups

Invariant theory in universal algebra

A rather strange algebra

Reference for an old result of P. M. Cohn

Is Noether's Problem undecidable?

Kac-Moody algebras of indefinite type

Expositions of symplectic reflection groups

Differential birational equivalence

Question about a remark on quantization of Coulomb branches

Survey of recent developments of the Gelfand-Kirillov dimension

Algebras Morita equivalent with the Weyl Algebra and its smash products with a finite group

An explicit negative solution to the Lüroth problem for non-algebraically closed fields

Independence results on pure algebra

Set theoretical foundations for derived categories

An imaginary disaster scenario - second order arithmetic is inconsistent

Elementary equivalence for rings

Proof of a result by Zhang in Artin's seminal paper

Generalizations of Chevalley–Shephard–Todd's Theorem?

Pseudoreflection groups in affine varieties

Computational complexity of proof verification

Noether's Problem and the Inverse Problem on Galois Theory

Generators and relations for invariants of the Weyl algebra

Gelfand-Kirillov dimension and tensor products

Rationality and stable rationality in first-order logic

When does Zariski's Problem in birational geometry have a positive solution?

Irreducible modules for the Weyl algebras with every possible dimension

A counter-example to equality of Krull and Gelfand-Kirillov dimension of commutative rings