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# Questions

23
26
votes
3
answers
2k
views

### When is a Homology Class Represented by a Submanifold? [closed]

feb 12 12 at 0:52 unknown (google) 5,530629

8
14
votes
2
answers
437
views

### Massey Products vs. $A_\infty$-Structures

mar 27 12 at 1:28 John Palmieri 1,8241715

7
12
votes
1
answer
526
views

### Homology in the $A_\infty$ World

apr 7 at 17:15 Tim Perutz 8,65511642

5
12
votes
2
answers
1k
views

### Which cluster algebras have been categorified?

may 30 11 at 2:48 Hugh Thomas 2,151514

4
9
votes
4
answers
756
views

### Why does (Ribbon) Graph (co)Homology Compute (co)Homology of MCG?

jan 15 11 at 0:55 Romeo 1,806217

4
7
votes
3
answers
296
views

### Group Extensions and Line Bundles on $BG$

dec 6 10 at 22:13 Konrad Waldorf 1,90511315

3
7
votes
1
answer
698
views

### Is $Sym^g$ of a Riemann Surface of genus $g$ Calabi-Yau?

mar 11 12 at 3:17 unknown (google) 5,530629

3
5
votes
2
answers
358
views

### Do Denominator Vectors Determine the Cluster Variable

sep 27 11 at 14:49 Julian Kuelshammer 8681415

2
5
votes
3
answers
1k
views

### Defining Quotient Bundles

jun 8 10 at 12:11 David Carchedi 7,7071027

1
4
votes
0
answers
227
views

### Motivic DT-Invariants for the Algebro-Geophobic

jun 25 at 0:54 Steve 1,0161516