User Lao-tzu

19 votes

2 answers

8k views

Does module Hom commute with tensor product in the second variable?

asked Dec 17, 2015 at 12:06

11 votes

2 answers

1k views

Interpret Fourier transform as limit of Fourier series

asked Jan 14, 2016 at 6:15

9 votes

1 answer

455 views

About Riemann-Roch without denominators

asked May 25, 2017 at 9:46

9 votes

0 answers

475 views

About Kan-Thurston theorem

asked Feb 5, 2019 at 10:53

8 votes

1 answer

368 views

A question about comparison of positive self-adjoint operators

asked May 1, 2020 at 16:18

8 votes

1 answer

559 views

About fibrations with fibre Eilenberg-MacLane spaces

asked May 27, 2018 at 7:50

6 votes

0 answers

191 views

(Co)cartesian fibrations and left Kan extensions

asked Mar 1, 2023 at 8:32

5 votes

1 answer

214 views

Connectedness of truncated version of cosimplicial indexing category

asked Jul 18, 2023 at 17:52

5 votes

1 answer

321 views

About closed points in symmetric product schemes over a finite field

asked Mar 28, 2022 at 9:51

5 votes

2 answers

385 views

Limit of weak equivalences in a Bousfield localization

asked Dec 25, 2018 at 22:19

5 votes

1 answer

657 views

Surjective étale morphisms étale locally split

asked Apr 9, 2020 at 15:55

5 votes

1 answer

470 views

About an argument in Olsson's book

asked Feb 5, 2021 at 13:37

5 votes

1 answer

201 views

Homotopy fibre sequence and left Bousfield localization

asked Sep 14, 2019 at 14:59

5 votes

0 answers

377 views

Does $\pi_0$ commute with (homotopy) limits?

asked Oct 15, 2019 at 19:09

5 votes

1 answer

712 views

Automorphism group of a torsor

asked Jan 29, 2019 at 15:19

4 votes

1 answer

248 views

A finite Whitehead Theorem for $\infty$-topos

asked Nov 28, 2018 at 21:54

4 votes

2 answers

344 views

Non-degenerate simplexes in a Kan complex

asked Jul 24, 2020 at 13:33

4 votes

2 answers

455 views

Categorical equivalences vs. categories of simplices

asked Jul 20, 2023 at 17:16

3 votes

1 answer

201 views

Flatness of finitely presented algebras

asked Nov 24, 2021 at 15:18

3 votes

2 answers

378 views

Is any constant Zariski sheaf already a Nisnevich sheaf?

asked Mar 30, 2020 at 15:07

2 votes

0 answers

197 views

Only discrete topology gives trivial topos?

asked Dec 27, 2019 at 10:27

2 votes

0 answers

93 views

A sectionwise fiber sequence is homotopy fiber sequence?

asked Apr 4, 2020 at 16:57

2 votes

1 answer

618 views

Normal closure and separable elements

asked Jul 28, 2018 at 5:22

2 votes

2 answers

568 views

Homotopy fibre of composition

asked Sep 1, 2017 at 18:02

2 votes

0 answers

215 views

A commutative square yields 6 homotopy cofiber sequences?

asked Nov 17, 2017 at 10:34

2 votes

0 answers

175 views

Any two faces of the standard simplex are "homotopic"?

asked Jan 17, 2018 at 15:42

2 votes

0 answers

346 views

About an argument in absolute prismatic cohomology

asked May 14, 2023 at 17:08

1 vote

0 answers

78 views

A group object keeps so when passing to the homotopy category?

asked Apr 27, 2018 at 9:16

1 vote

1 answer

260 views

The sheafification of taking cohomology is trivial?

asked Jan 5, 2019 at 10:32

1 vote

1 answer

184 views

A problem involving power series

asked Oct 20, 2016 at 17:30

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38 Questions

Does module Hom commute with tensor product in the second variable?

Interpret Fourier transform as limit of Fourier series

About Riemann-Roch without denominators

About Kan-Thurston theorem

A question about comparison of positive self-adjoint operators

About fibrations with fibre Eilenberg-MacLane spaces

(Co)cartesian fibrations and left Kan extensions

Connectedness of truncated version of cosimplicial indexing category

About closed points in symmetric product schemes over a finite field

Limit of weak equivalences in a Bousfield localization

Surjective étale morphisms étale locally split

About an argument in Olsson's book

Homotopy fibre sequence and left Bousfield localization

Does $\pi_0$ commute with (homotopy) limits?

Automorphism group of a torsor

A finite Whitehead Theorem for $\infty$-topos

Non-degenerate simplexes in a Kan complex

Categorical equivalences vs. categories of simplices

Flatness of finitely presented algebras

Is any constant Zariski sheaf already a Nisnevich sheaf?

Only discrete topology gives trivial topos?

A sectionwise fiber sequence is homotopy fiber sequence?

Normal closure and separable elements

Homotopy fibre of composition

A commutative square yields 6 homotopy cofiber sequences?

Any two faces of the standard simplex are "homotopic"?

About an argument in absolute prismatic cohomology

A group object keeps so when passing to the homotopy category?

The sheafification of taking cohomology is trivial?

A problem involving power series