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Ricardo Andrade

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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

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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 22.5k

1

10

votes

1

answer

729

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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 21.1k

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

535

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

184

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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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