User Bruno Stonek

34 votes

1 answer

5k views

Freyd-Mitchell's embedding theorem

asked Nov 30, 2010 at 2:09

30 votes

1 answer

3k views

What is, really, the stable homotopy category?

asked Jan 11, 2016 at 12:46

24 votes

2 answers

4k views

What is the "correct" definition of creation of limits?

asked Jul 25, 2012 at 3:00

24 votes

6 answers

5k views

A good place to read about uniform spaces

asked Aug 28, 2010 at 21:12

23 votes

3 answers

2k views

A homology theory which satisfies Milnor's additivity axiom but not the direct limit axiom?

asked Jan 29, 2016 at 12:12

15 votes

4 answers

5k views

What does it mean to speak of a homotopy fibration sequence?

asked Feb 21, 2014 at 11:25

13 votes

2 answers

2k views

Why isn't the perfect closure separable?

asked May 27, 2011 at 12:27

12 votes

1 answer

705 views

Is the hom-simplicial set in the hammock localization a nerve?

asked Feb 19, 2016 at 21:05

11 votes

1 answer

842 views

Is the natural isomorphism $|FX_\bullet| \cong F|X_\bullet|$ lax symmetric monoidal?

asked Jun 28, 2016 at 13:46

10 votes

1 answer

667 views

Spectra as functors from Spaces to Spaces

asked Jan 9, 2016 at 11:02

10 votes

1 answer

2k views

Different forms of compactness and their relation

asked Aug 30, 2010 at 21:45

9 votes

0 answers

633 views

Are Bökstedt's THH manuscripts available?

asked Apr 22, 2015 at 9:11

9 votes

1 answer

513 views

Are cofibrant commutative S-algebras flat?

asked Nov 24, 2017 at 7:17

8 votes

1 answer

557 views

How is topological André-Quillen homology (TAQ) a "stabilization", exactly?

asked Nov 28, 2018 at 16:51

8 votes

2 answers

725 views

Special $\Gamma$-categories and symmetric monoidal categories

asked Nov 12, 2017 at 12:26

8 votes

2 answers

784 views

When are generalized Severi-Brauer varieties Grassmannians?

asked Dec 30, 2013 at 14:19

7 votes

1 answer

440 views

Is it possible to compute André-Quillen cohomology by resolving the module variable?

asked Nov 10, 2017 at 14:16

5 votes

1 answer

555 views

Coherence theorem for symmetric lax monoidal functors

asked Jun 30, 2016 at 12:38

5 votes

0 answers

157 views

Motives with compact support, Chow groups and proper pushforward maps

asked Jun 6 at 10:44

5 votes

3 answers

553 views

Nonmetrizable uniformities with metrizable topologies

asked Oct 8, 2010 at 0:05

5 votes

1 answer

495 views

Definition of a cylinder functor in Waldhausen's K-theory

asked Apr 8, 2014 at 14:28

4 votes

0 answers

109 views

Are the canonical maps from $\Omega^1_k(C^\infty(M))$ into $\Omega^1(M)$ and into $\Omega^1_k(C^\infty(M))^{**}$ compatible?

asked May 2, 2016 at 15:20

3 votes

1 answer

231 views

Naturality of the nullhomotopies in Waldhausen's fibration theorem

asked May 7, 2014 at 15:16

3 votes

0 answers

218 views

Can a functorial factorization be modified so that it fixes the initial object?

asked Nov 19, 2018 at 15:49

2 votes

2 answers

556 views

Reconciling two viewpoints for spectra

asked Feb 6, 2015 at 11:10

2 votes

1 answer

226 views

Cofiber sequence $A\vee A \to A \wedge A \to \bar{A}\wedge \bar{A}$ for a spectrum $A$

asked Apr 2, 2015 at 9:50

1 vote

1 answer

1k views

Why don't $\mathbb{T}^n, \mathbb{S}^n, \mathbb{H}^n$ admit other metrics of constant curvature?

asked Jun 6, 2013 at 23:54

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27 Questions

Freyd-Mitchell's embedding theorem

What is, really, the stable homotopy category?

What is the "correct" definition of creation of limits?

A good place to read about uniform spaces

A homology theory which satisfies Milnor's additivity axiom but not the direct limit axiom?

What does it mean to speak of a homotopy fibration sequence?

Why isn't the perfect closure separable?

Is the hom-simplicial set in the hammock localization a nerve?

Is the natural isomorphism $|FX_\bullet| \cong F|X_\bullet|$ lax symmetric monoidal?

Spectra as functors from Spaces to Spaces

Different forms of compactness and their relation

Are Bökstedt's THH manuscripts available?

Are cofibrant commutative S-algebras flat?

How is topological André-Quillen homology (TAQ) a "stabilization", exactly?

Special $\Gamma$-categories and symmetric monoidal categories

When are generalized Severi-Brauer varieties Grassmannians?

Is it possible to compute André-Quillen cohomology by resolving the module variable?

Coherence theorem for symmetric lax monoidal functors

Motives with compact support, Chow groups and proper pushforward maps

Nonmetrizable uniformities with metrizable topologies

Definition of a cylinder functor in Waldhausen's K-theory

Are the canonical maps from $\Omega^1_k(C^\infty(M))$ into $\Omega^1(M)$ and into $\Omega^1_k(C^\infty(M))^{**}$ compatible?

Naturality of the nullhomotopies in Waldhausen's fibration theorem

Can a functorial factorization be modified so that it fixes the initial object?

Reconciling two viewpoints for spectra

Cofiber sequence $A\vee A \to A \wedge A \to \bar{A}\wedge \bar{A}$ for a spectrum $A$

Why don't $\mathbb{T}^n, \mathbb{S}^n, \mathbb{H}^n$ admit other metrics of constant curvature?