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David Cohen

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5 Questions

Votes Activity Newest Views

3

13

votes

1

answer

705

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Simply connected simplicial complexes

at.algebraic-topology simplicial-complexes

Jun 22 '12 at 22:53 Misha 29.2k

3

12

votes

2

answers

1k

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Does every orientable surface embed in $\mathbb{R}^{3}$

gt.geometric-topology

Aug 7 at 14:43 Alexandre Eremenko 67.6k

3

10

votes

1

answer

1k

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Is a space with no covering spaces simply connected?

at.algebraic-topology gn.general-topology

Mar 13 '11 at 16:54 Jeremy Brazas 5,793

4

votes

1

answer

192

views

Area of triangles vs. comparison triangles.

mg.metric-geometry dg.differential-geometry

Feb 17 '13 at 23:59 Anton Petrunin 35.9k

1

vote

2

answers

298

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Is this quotient space of Q_p contractible?

gn.general-topology

Oct 18 '10 at 9:27 Ryan Reich 6,753

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