Bruno Martelli's user avatar
Bruno Martelli's user avatar
Bruno Martelli's user avatar
Bruno Martelli
  • Member for 13 years, 10 months
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52 votes
10 answers
6k views

Where to publish a math textbook in Creative Commons

37 votes
0 answers
2k views

What is the three-dimensional hyperbolic volume of a four-manifold?

27 votes
4 answers
2k views

Can all n-manifolds be obtained by gluing finitely many blocks?

24 votes
2 answers
2k views

Explicit homeomorphism between Thurston's compactification of Teichmuller space and the closed disc

19 votes
6 answers
3k views

Is there a good notion of morphism between orbifolds?

19 votes
0 answers
839 views

Which manifolds decompose into pants?

17 votes
1 answer
2k views

Proofs of Rohlin's theorem (an oriented 4-manifold with zero signature bounds a 5-manifold)

16 votes
2 answers
601 views

Does a small-area sphere in a 3-manifold bound a small ball?

15 votes
3 answers
815 views

Maximal euler characteristic of surfaces bounding two fixed curves

12 votes
3 answers
1k views

Is the cut locus of a generic point in a hyperbolic manifold a generic polyhedron?

11 votes
0 answers
349 views

Fox re-imbedding theorem in dimension four

9 votes
1 answer
551 views

Is the spectrum of closed geodesics in a closed hyperbolic 3-manifold asymptotically homogeneously dense?

8 votes
1 answer
523 views

On infinite-dimensional unitary representations of Kazhdan groups

7 votes
0 answers
186 views

Elements of a group than can achieve all orders in its quotients

4 votes
2 answers
404 views

Which unitary (permutation-)representations are isolated?