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BrianT
  • Member for 6 years, 1 month
  • Last seen more than 3 years ago
  • Tel-Aviv, Israël
6 votes
1 answer
998 views

When is a sheaf determined by its stalks

3 votes
1 answer
565 views

Different definitions of the minimal Chern number and the monotonicity of symplectic manifolds

3 votes
1 answer
162 views

Evaluating a symplectic form on $\pi_2$ or its image through the Hurewicz map

2 votes
1 answer
301 views

Rescaling a symplectic form and integral cohomology

2 votes
1 answer
116 views

A false reasoning for a better intuition behind the universal coefficient theorem

2 votes
1 answer
275 views

The vanishing ideal of the complex torus

2 votes
0 answers
56 views

How "nice" is the functor giving relative sheaf cohomology?

2 votes
0 answers
107 views

What is the filtration in Leray's spectral sequence?

1 vote
0 answers
93 views

Betti sum, cup-length, Lusternik-Schnirelmann category, and critical points

1 vote
0 answers
165 views

Commutativity between functors on sheaves of abelian groups

1 vote
0 answers
104 views

Reference for the construction of the Leray spectral sequence from filtration

1 vote
0 answers
71 views

Maps between two Leray spectral sequences

1 vote
0 answers
213 views

A direct proof of the Chern-Weil isomorphism

1 vote
0 answers
39 views

Submersion and non-smooth submanifolds

1 vote
1 answer
525 views

On the existence and uniqueness of solutions of Hamiltonian differential equations

1 vote
0 answers
76 views

Morse deformations for a family of functions on a manifold with boundary

1 vote
0 answers
76 views

Homotopy type of transversal submanifolds through deformation

1 vote
0 answers
40 views

Metric on a manifold with boundary, with prescribed orthogonal

0 votes
0 answers
143 views

Direct sums of presheaves and basis of topology