algori's user avatar
algori's user avatar
algori's user avatar
algori
  • Member for 14 years, 4 months
  • Last seen more than a week ago
56 votes

Mathematical "urban legends"

50 votes

Can non-homeomorphic spaces have homeomorphic squares?

49 votes

What universities have laid off tenured math faculty for financial reasons?

46 votes

Mathematical "urban legends"

43 votes

Your favorite surprising connections in mathematics

40 votes

Math puzzles for dinner

35 votes

Analytic tools in algebraic geometry

35 votes

What are some open problems in algebraic geometry?

34 votes

Why do so many textbooks have so much technical detail and so little enlightenment?

30 votes

How has modern algebraic geometry affected other areas of math?

28 votes

Famous mathematicians with background in arts/humanities/law etc

28 votes

Mathematical "urban legends"

23 votes

Facts from algebraic geometry that are useful to non-algebraic geometers

20 votes
Accepted

Are the stiefel-Whitney classes of the tangent bundle determined by the mod 2 cohomology?

19 votes
Accepted

(Co)homology of the Eilenberg-MacLane spaces K(G,n)

19 votes
Accepted

If the total Chern class of a vector bundle factors, does it have a sub-bundle?

19 votes
Accepted

Can a Lie group as an abstract group be given more than one topology making it a Lie group?

19 votes

Non-stably trivial bundle with trivial characteristic classes

18 votes
Accepted

On the fundamental group of hypersurfaces

18 votes

What are some of the big open problems in 3-manifold theory?

17 votes
Accepted

Grassmannian bundle theorem

17 votes
Accepted

Multiplicativity of Euler characteristic for non-orientable fibrations

16 votes

How do professional mathematicians learn new things?

16 votes
Accepted

Rolle's theorem in n dimensions

16 votes

Classification problem for non-compact manifolds

16 votes

Birational invariants and fundamental groups

16 votes
Accepted

singular homology of a differential manifold

16 votes
Accepted

How to prove that a projective variety is a finite CW complex?

15 votes
Accepted

For which classes of topological spaces Euler characteristics is defined?

15 votes
Accepted

Why the similarity between Hodge theory for compact Riemannian and complex manifolds?

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