User Eduardo Longa

19 votes

4 answers

1k views

Most functions are measurable

asked Jul 2, 2016 at 18:56

13 votes

3 answers

2k views

Is every real monic polynomial the characteristic polynomial of a real matrix?

asked Aug 18, 2016 at 23:06

10 votes

2 answers

2k views

Can a conformal map be turned into an isometry?

asked Mar 3, 2016 at 16:46

10 votes

0 answers

693 views

Every immersed submanifold can be deformed to have transverse self-intersection

asked Aug 29, 2018 at 1:18

9 votes

1 answer

861 views

How do conformal maps affect curvature?

asked Feb 13, 2016 at 0:09

8 votes

0 answers

392 views

Is Gauss map a diffeomorphism onto its image in this case?

asked Jul 10, 2020 at 22:33

7 votes

1 answer

143 views

Topology on the space of foliations

asked Jun 21, 2020 at 0:57

7 votes

2 answers

116 views

On the minimum distance along an orbit

asked Dec 8, 2017 at 18:37

6 votes

0 answers

760 views

Geometric measure theory on manifolds: suggested book

asked Apr 4, 2018 at 17:05

6 votes

1 answer

957 views

Notion of convergence on the space of compactly supported continuous functions

asked Jul 3, 2018 at 1:33

6 votes

2 answers

390 views

This is not a torus [duplicate]

asked Oct 29, 2017 at 16:38

6 votes

1 answer

247 views

Condition for integrability (foliation)

asked Sep 27, 2016 at 1:23

6 votes

0 answers

205 views

Product rule for codifferential on manifolds

asked Apr 1, 2020 at 21:05

6 votes

1 answer

236 views

Distance between antipodal points in a geodesic ball

asked Oct 1, 2022 at 11:10

5 votes

1 answer

143 views

Are solutions of $\Delta f \leq -a^2 f$ constant on a compact manifold?

asked Jun 15, 2022 at 19:57

5 votes

1 answer

590 views

Local isometry implies covering map for manifolds with boundary

asked Dec 9, 2019 at 21:50

5 votes

1 answer

1k views

Interior estimate for derivatives of harmonic function

asked Jan 27, 2016 at 0:31

5 votes

0 answers

776 views

Distance function on the complex projective space

asked Jun 29, 2017 at 0:49

4 votes

1 answer

120 views

On hypersurfaces of the projective space

asked Nov 15, 2017 at 16:59

4 votes

1 answer

88 views

Each connected component lies in a hemisphere

asked Nov 18, 2017 at 22:03

4 votes

1 answer

396 views

The furthest point to this torus

asked Feb 20, 2016 at 0:01

4 votes

1 answer

832 views

On conformal metrics notation

asked Mar 1, 2016 at 1:06

4 votes

2 answers

758 views

Derivative along a curve

asked Mar 12, 2016 at 2:21

4 votes

1 answer

915 views

Normal vector field to this hypersurface

asked May 8, 2016 at 22:45

4 votes

1 answer

265 views

Harmonic circle-valued maps

asked Sep 11, 2019 at 2:06

4 votes

0 answers

98 views

Classify all $3$-manifolds such that this map is injective

asked Feb 3, 2020 at 15:29

4 votes

1 answer

75 views

Homology class of limit of surfaces

asked Feb 27, 2020 at 20:34

4 votes

1 answer

897 views

Homotopic maps and attaching spaces

asked Nov 12, 2018 at 22:37

4 votes

2 answers

363 views

Why is this 3-manifold irreducible?

asked Apr 4, 2019 at 15:32

4 votes

0 answers

171 views

Special Riemannian metric on the product

asked May 24, 2019 at 1:07

Stack Exchange Network

173 Questions

Most functions are measurable

Is every real monic polynomial the characteristic polynomial of a real matrix?

Can a conformal map be turned into an isometry?

Every immersed submanifold can be deformed to have transverse self-intersection

How do conformal maps affect curvature?

Is Gauss map a diffeomorphism onto its image in this case?

Topology on the space of foliations

On the minimum distance along an orbit

Geometric measure theory on manifolds: suggested book

Notion of convergence on the space of compactly supported continuous functions

This is not a torus [duplicate]

Condition for integrability (foliation)

Product rule for codifferential on manifolds

Distance between antipodal points in a geodesic ball

Are solutions of $\Delta f \leq -a^2 f$ constant on a compact manifold?

Local isometry implies covering map for manifolds with boundary

Interior estimate for derivatives of harmonic function

Distance function on the complex projective space

On hypersurfaces of the projective space

Each connected component lies in a hemisphere

The furthest point to this torus

On conformal metrics notation

Derivative along a curve

Normal vector field to this hypersurface

Harmonic circle-valued maps

Classify all $3$-manifolds such that this map is injective

Homology class of limit of surfaces

Homotopic maps and attaching spaces

Why is this 3-manifold irreducible?

Special Riemannian metric on the product