Ricardo Andrade

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Name Ricardo Andrade
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Homotopy type of TOP(4)/PL(4)

feb 19 at 1:58 Ricardo Andrade 2,414●1●9●18

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isotopy inverse embeddings vs. diffeomorphisms

jun 27 at 2:33 Agol 23.9k●1●33●85

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Well-pointed space which is not locally contractible

feb 17 12 at 10:14 Sergey Melikhov 3,692●12●19

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26

Answers
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13
Cancellation law for $M^n\times \mathbb R= N^n\times \mathbb R$.
12
What manifolds are boundaries of euclidian spaces ?
11
Can the n-string sphere braid group embed in to the (n+1)-string sphere braid group?
11
Manifolds with homeomorphic interiors
10
homotopy type of embeddings versus diffeomorphisms
9
Is there a general theory of fiber theorems?
8
Example of fiber bundle that is not a fibration
8
When do reflexive coequalizers preserve weak equivalences?
8
Does there exist a space X whose suspension is homotopy equivalent to [0,1] rel ends but where X is not contractible?
7
Plus construction considerations.
6
Local finality condition (for re-indexing parameterized colimits)
5
When do functors induce monadic adjunctions of presheaf categories
5
Does the bordism homology theory satisfy the weak equivalence axiom?
5
Explicit constructions of K(G,2)?
4
Serre Spectral Sequence of Representations
4
Homotopy Equivalences and Induced Correspondences between Fibre Bundles
4
From Topological to Smooth and Holomorphic Vector Bundles
4
How many proofs that $\pi_n(S^n)=\mathbb{Z}$ are there? (2)
4
Quotients of classifying spaces
3
Is the space of diffeomorphisms homotopy equivalent to a CW-complex?
3
Monoidal model category structure on a functor category.
3
Does Euclidean space have a compact factor?
2
Homomorphisms of Topological Groups which are Automatically Fiber Bundles?
1
Counterexamples in algebraic topology?
1
Topological question about right-lifting property and the evaluation map
1
Multisimplicial geometric realization

 

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