Dylan Wilson's user avatar
Dylan Wilson's user avatar
Dylan Wilson's user avatar
Dylan Wilson
  • Member for 13 years, 9 months
  • Last seen more than a month ago
10 votes

A homotopy commutative diagram that cannot be strictified

10 votes
Accepted

If a topological space has vanishing $n$th homology for every possible homology theory, does it have vanishing $n$th homotopy?

10 votes
Accepted

Clarifying Quillen's comment on why Adams operations commute with transfer

10 votes
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Where to find the proof that these two version of simplicial homotopy are equivalent?

10 votes

Measuring the failure of pushforward to commute with Steenrod squares

9 votes
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Skeleton category of the category of skeleton categories?

9 votes

how to make the category of chain complexes into an $(\infty,1)$-category

9 votes

Are there examples of non-orientable manifolds in nature?

9 votes

Books you would like to see translated into English

9 votes
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Dual objects in the $\infty$-category of spectra

9 votes
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If a loopspace admits space-level power operations, is is a higher loopspace?

9 votes
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functors $\text{Vect} \to \text{Vect}$ that preserve filtered and sifted colimits

9 votes
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How to characterize $E_n$ morphisms from $\mathrm{Mod}(A)$ to $\mathrm{Mod}(B)$?

9 votes
Accepted

Tohoku and cohomology of toposes

8 votes

What is an example of a presheaf P where P^+ is not a sheaf, only a separated presheaf?

8 votes
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Kernel of a bundle map

8 votes

Hopf algebras examples

7 votes

About the relation between the categories $\text{Sch}$, $\text{LRS}$ and $\text{RS}$

7 votes

Reference for coefficients of equivariant Eilenberg-MacLane spectra

7 votes
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Homotopy invariant structure: Stasheff versus Segal

7 votes
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Functorial construction of ("pre"-)spectral sequences? (Or - what is the "higher structure" underlying spectral sequences?)

6 votes

Existence of pointwise Kan extensions in $\infty$-categories

6 votes
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Representing spaces of $\infty$-stacks

6 votes
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Calculating degree via homotopy

6 votes

Why do we need filtered categories to index ind-objects?

6 votes

Where does a math person go to learn quantum mechanics?

5 votes
Accepted

Directed colimits of maps in a combinatorial model category

5 votes
Accepted

Small objects in categories

5 votes

Steenrod operations in algebraic geometry

5 votes

On combinatorial and cellular model categories and infinity categories