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archipelago
  • Member for 11 years
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4 votes
Accepted

Version of pseudo-isotopy $\neq$ isotopy for $(n+1)$-framings

4 votes
Accepted

Stable cohomology of mapping class group with coefficients in $H^{\otimes n}$

11 votes
Accepted

Characteristic classes of non-linear sphere bundles

5 votes

$\pi_{2n-1}(\operatorname{SO}(2n))$ element represents the tangent bundle $TS^{2n}$, not torsion and indivisible for $n>1$?

11 votes
Accepted

On the state of the art on closed $(n-1)$-connected $2n$ manifolds

13 votes

Which stable homotopy groups are represented by parallelizable manifolds?

11 votes
Accepted

Mapping class groups in high dimension

1 vote

The reflexive free-category comonad-resolution is a cofibrant replacement of the discrete simplicial category associated with an ordinary category in the Bergner model structure on the category of small simplicial categories?

13 votes

Is the Hurewicz theorem ever used to compute abelianizations?

6 votes

A $\mathbb{R}^{n}$ -fiber bundle which do not admit a n-dimensional vector bundle structure

11 votes

What are examples when the equality of some invariants is good enough in algebraic topology?

1 vote

Generalize $\pi_0(B\mathcal{C})\cong\{\text{objects}\}/\{\text{morphisms}\}$ to categories internal to topological spaces

3 votes

Geometric realization of simplicial spaces and finite limits

6 votes
Accepted

Naive G-spectrum representing geometric equivariant cobordism

1 vote

Homology of loop space

6 votes
Accepted

Classifying spaces of topological groups whose underlying spaces are homotopy equivalent

8 votes

cohomology of BG, G compact Lie group

6 votes

Why is $Lex(\mathcal{A},\mathcal{Ab})$ abelian? Does $Lex(\mathcal{A},\mathcal{Ab})\rightarrow Func(\mathcal{A},\mathcal{Ab})$ admit a left-adjoint?

2 votes

Decomposition of solvable Lie group

4 votes

connected compact semisimple lie group finite fundamental group