29

Answers
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2
Resolution of coefficient system in group homology
5
What fraction of n-point sets in the unit ball have diameter smaller than 1?
2
Can we invert barycentric subdivision?
8
Does there exist a space X whose suspension is homotopy equivalent to [0,1] rel ends but where X is not contractible?
4
Quotients of classifying spaces
1
Topological question about right-lifting property and the evaluation map
3
Is the space of diffeomorphisms homotopy equivalent to a CW-complex?
9
Is there a general theory of fiber theorems?
3
Does Euclidean space have a compact factor?
8
Example of fiber bundle that is not a fibration
13
Cancellation law for $M^n\times \mathbb R= N^n\times \mathbb R$.
11
Manifolds with homeomorphic interiors
13
What manifolds are boundaries of euclidian spaces ?
1
Counterexamples in algebraic topology?
1
Multisimplicial geometric realization
4
Serre Spectral Sequence of Representations
8
When do reflexive coequalizers preserve weak equivalences?
4
Homotopy Equivalences and Induced Correspondences between Fibre Bundles
5
How many proofs that $\pi_n(S^n)=\mathbb{Z}$ are there? (2)
6
Local finality condition (for re-indexing parameterized colimits)
4
From Topological to Smooth and Holomorphic Vector Bundles
11
Can the n-string sphere braid group embed in to the (n+1)-string sphere braid group?
7
Plus construction considerations.
3
Monoidal model category structure on a functor category.
10
homotopy type of embeddings versus diffeomorphisms
5
Explicit constructions of K(G,2)?
2
Homomorphisms of Topological Groups which are Automatically Fiber Bundles?
5
Does the bordism homology theory satisfy the weak equivalence axiom?
5
When do functors induce monadic adjunctions of presheaf categories