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Ricardo Andrade

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at.algebraic-topology

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10 Questions

Votes Activity Newest Views
7
38
votes
0
answers
1k
views

Homotopy type of TOP(4)/PL(4)

at.algebraic-topology gt.geometric-topology homotopy-theory
Feb 19 '13 at 1:58 Ricardo Andrade 5,998
11
33
votes
1
answer
3k
views

Strong Whitney embedding theorem for non-compact manifolds

gt.geometric-topology smooth-manifolds dg.differential-geometry differential-topology reference-request
May 24 '13 at 23:05 Ricardo Andrade 5,998
16
30
votes
4
answers
2k
views

Is the space of diffeomorphisms homotopy equivalent to a CW-complex?

gt.geometric-topology at.algebraic-topology homotopy-theory smooth-manifolds cw-complexes
Mar 16 '20 at 12:12 Peter Michor 23.8k
9
20
votes
1
answer
1k
views

isotopy inverse embeddings vs. diffeomorphisms

gt.geometric-topology manifolds
Jun 26 '13 at 5:33 Ricardo Andrade 5,998
13
15
votes
2
answers
1k
views

homotopy type of embeddings versus diffeomorphisms

gt.geometric-topology at.algebraic-topology manifolds homotopy-theory
Jan 30 '13 at 19:27 Community♦ 1
4
13
votes
2
answers
2k
views

Well-pointed space which is not locally contractible

at.algebraic-topology gn.general-topology homotopy-theory
Jul 25 '13 at 8:44 Yemon Choi 22.3k
1
10
votes
1
answer
722
views

finite complex with non-finitely generated homology with local coefficients

at.algebraic-topology homology homological-algebra gr.group-theory
Jul 11 '12 at 9:41 HJRW 20.9k
2
5
votes
1
answer
293
views

flat maps of monoids which are not localizations

at.algebraic-topology homological-algebra semigroups-and-monoids
Feb 21 '12 at 20:41 Ricardo Andrade 5,998
2
3
votes
2
answers
533
views

Finitely cocomplete categories of compact Hausdorff spaces

ct.category-theory gn.general-topology at.algebraic-topology
Mar 20 '13 at 16:14 Ronnie Brown 11.6k
 
2
votes
1
answer
182
views

Realizability of extensions of a free oriented matroid by an independent set

matroid-theory oriented-matroids co.combinatorics counterexamples combinatorial-geometry
Aug 28 '13 at 1:55 Jeremy Carroll 26
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