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algori
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171 Answers

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6 votes

Degree 2 branched map from the torus to the sphere

6 votes

Generators for congruence subgroups of SL_2

5 votes

Nonalgebraic complex manifolds

15 votes

Hodge Index theorem for Complex Manifolds

3 votes
Accepted

Divisor Intersections and Chern Class Products

34 votes

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

8 votes

Algebraic stacks from scratch

15 votes

Is there a complex structure on the 6-sphere?

11 votes

Group Structure on CP^infinty

6 votes

Algebraic/Categorical motivation for the Chevalley Eilenberg Complex

17 votes
Accepted

Grassmannian bundle theorem

10 votes
Accepted

Properties of the class of topological spaces possessing a CW-structure

15 votes
Accepted

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

16 votes

Classification problem for non-compact manifolds

6 votes

Teichmuller Theory introduction

16 votes
Accepted

Rolle's theorem in n dimensions

3 votes

Can you explain a step in a proof about 2-sided surfaces in 3-manifolds?

3 votes

Poincaré quasi-isomorphism

7 votes

When does a real polynomial have a pair of complex conjugate roots?

7 votes

Diffeomorphism of 3-manifolds

7 votes

What are good non-English languages for mathematicians to know?

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