User Martin Skilleter

12 votes

2 answers

1k views

Reference request: Elementary proof of Lang's theorem

asked Oct 19, 2021 at 10:56

10 votes

1 answer

912 views

Original proof of Chebotarev's density theorem

asked Jun 10, 2021 at 0:33

8 votes

3 answers

528 views

Intuitive reason that the regular representation is a uniform function

asked Jul 28, 2021 at 6:22

6 votes

1 answer

558 views

Irreducible representations of product of profinite groups

asked Jul 15, 2021 at 12:35

4 votes

1 answer

603 views

Relationship between Dolbeault and de Rham cohomology on Riemann surface

asked Jun 22, 2021 at 12:23

4 votes

0 answers

342 views

Building intuition for the étale topology

asked Mar 1, 2021 at 9:31

4 votes

2 answers

768 views

Tarski's original proof of quantifier elimination in algebraically closed fields

asked Apr 30, 2022 at 1:06

3 votes

1 answer

238 views

Character constructed from Kummer local system lifts to representation of algebraic torus

asked Mar 10, 2021 at 0:27

3 votes

2 answers

310 views

Frobenius reciprocity for Deligne-Lusztig induction/restriction

asked Jul 8, 2021 at 3:03

3 votes

5 answers

1k views

Interesting topics for (very) short talks [closed]

asked Jun 17, 2021 at 8:13

3 votes

0 answers

166 views

Lifting isogeny over étale cover

asked Oct 7, 2021 at 4:06

3 votes

1 answer

158 views

Are there infinite abelian real reflection groups?

asked Sep 9, 2021 at 11:54

2 votes

0 answers

305 views

Product and coproduct in derived category

asked Sep 17, 2021 at 2:00

2 votes

0 answers

189 views

Missing Detail in Construction of Étale Fundamental Group

asked Apr 10, 2021 at 1:25

2 votes

1 answer

338 views

Equivalence of categories between finite étale covers of connected scheme and finite continuous permutation representations of étale fundamental group

asked Apr 30, 2021 at 4:27

1 vote

0 answers

43 views

Existence of an open set with specific properties

asked Sep 25, 2021 at 13:36

1 vote

0 answers

101 views

Characteristic functions of character sheaves on tori

asked Aug 21, 2021 at 1:29

1 vote

0 answers

71 views

Reference request: finding entries that prevent matrix from being correlation matrix

asked Apr 6 at 2:34

1 vote

0 answers

65 views

Upsampling parameters in the Takahashi-Alexander model

asked Aug 12 at 9:16

0 votes

1 answer

116 views

Order 2 matrices with entries in the polynomial ring over a field are diagonalisable

asked Dec 7, 2021 at 5:08

Stack Exchange Network

20 Questions

Reference request: Elementary proof of Lang's theorem

Original proof of Chebotarev's density theorem

Intuitive reason that the regular representation is a uniform function

Irreducible representations of product of profinite groups

Relationship between Dolbeault and de Rham cohomology on Riemann surface

Building intuition for the étale topology

Tarski's original proof of quantifier elimination in algebraically closed fields

Character constructed from Kummer local system lifts to representation of algebraic torus

Frobenius reciprocity for Deligne-Lusztig induction/restriction

Interesting topics for (very) short talks [closed]

Lifting isogeny over étale cover

Are there infinite abelian real reflection groups?

Product and coproduct in derived category

Missing Detail in Construction of Étale Fundamental Group

Equivalence of categories between finite étale covers of connected scheme and finite continuous permutation representations of étale fundamental group

Existence of an open set with specific properties

Characteristic functions of character sheaves on tori

Reference request: finding entries that prevent matrix from being correlation matrix

Upsampling parameters in the Takahashi-Alexander model

Order 2 matrices with entries in the polynomial ring over a field are diagonalisable