User some guy on the street

19 votes

4 answers

2k views

Irreducible polynomials with constrained coefficients

asked Dec 6, 2009 at 6:18

13 votes

0 answers

783 views

What's so difficult about $\pi_{15}(SO)$?

asked Jul 22, 2011 at 17:09

12 votes

4 answers

2k views

The most general context of Mather's Cube Theorems

asked Mar 2, 2012 at 7:13

10 votes

2 answers

272 views

Discrete disjoint covering of integer lattices

asked May 7, 2013 at 16:20

7 votes

1 answer

393 views

Status of the Isomorphism problem for automatic groups?

asked Dec 17, 2012 at 0:39

6 votes

1 answer

507 views

A curious construction of a chain complex and its homology

asked Dec 29, 2010 at 16:01

4 votes

2 answers

994 views

About higher Ext in R-Mod

asked Feb 11, 2010 at 18:29

4 votes

1 answer

882 views

Contractability of Exotic R^4s

asked Apr 14, 2010 at 20:43

4 votes

0 answers

303 views

Connecting group ring, abelianization

asked Aug 15, 2011 at 13:55

4 votes

1 answer

243 views

Topological Localization of (the simply-connected cover of) SO or Spin

asked May 24, 2011 at 15:33

3 votes

3 answers

1k views

Limits are terminal objects in another category; (when) are they colimits of (another diagram)?

asked Apr 7, 2011 at 4:42

Stack Exchange Network

11 Questions

Irreducible polynomials with constrained coefficients

What's so difficult about $\pi_{15}(SO)$?

The most general context of Mather's Cube Theorems

Discrete disjoint covering of integer lattices

Status of the Isomorphism problem for automatic groups?

A curious construction of a chain complex and its homology

About higher Ext in R-Mod

Contractability of Exotic R^4s

Connecting group ring, abelianization

Topological Localization of (the simply-connected cover of) SO or Spin

Limits are terminal objects in another category; (when) are they colimits of (another diagram)?