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Qfwfq
  • Member for 14 years
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6 votes

Is Ham($S^2$) homeomorphic to SO(3)?

1 vote

When forgetting structure doesn't matter

4 votes

Why torsion is important in (co)homology ?

3 votes

Pushouts in the Category of Schemes

9 votes

What are the most misleading alternate definitions in taught mathematics?

4 votes

Physicist's request for intuition on covariant derivatives and Lie derivatives

1 vote

Is a smooth transformation of a plane domain onto a plane domain with everywhere nonzero Jacobian determinant necessarily a bijection?

6 votes

How to define jet bundles algebraically?

2 votes

What are the occurrences of stacks outside algebraic geometry, differential geometry, and general topology?

8 votes

The origin(s) of the word "elliptic"

2 votes

Modeling in pure math

3 votes

Is every finite-order unimodular matrix conjugate to a $0,1,-1$ matrix?

3 votes

Lie groupoids in practice

3 votes
Accepted

$\mathbb{R}$-like spaces

7 votes

What are Lie groupoids intuitively?

1 vote

Is Cohen immersion conjecture (theorem) known for vector bundles?

1 vote
Accepted

Map between localizations induces map on underlying modules for Zariski covering

3 votes
Accepted

Automorphisms of Schemes and their $A$-points

2 votes

Supermanifolds — elementary introduction?

8 votes

Defining algebraic manifold without referring to schemes

3 votes

Almost complex structure corresponds to unique complex structure up to biholomorphism

0 votes

Two homeomorphic non-diffeomorphic complex manifolds

0 votes

Smooth functions on sphere

0 votes

Recommended books/lecture notes for vector bundle on algebraic curve

1 vote

Question on Hartogs's Extension Theorem

3 votes

Curl as a divergence... Is it possible?

17 votes

Most intricate and most beautiful structures in mathematics

5 votes

What is the interface between functional analysis and algebraic geometry?

1 vote

Characterizing specific "concrete" mathematical objects by abstract general properties

1 vote

Characterizing specific "concrete" mathematical objects by abstract general properties