User L.F. Cavenaghi

2 votes

2 answers

341 views

Unbounded curvature implies infinite diameter on complete metric spaces

asked Dec 20, 2019 at 14:10

0 votes

1 answer

103 views

Discs bundles along a curve and positive curvature

asked Oct 25, 2020 at 17:32

6 votes

1 answer

333 views

Unbounded sectional curvature implies infinite diameter?

asked Dec 20, 2019 at 4:08

1 vote

0 answers

141 views

Is the standard $\mathbb R^4$ the only one with positive sectional curvature?

asked Oct 4, 2022 at 21:51

1 vote

0 answers

35 views

Isometry induced on the Grassmannian of planes to the tangent space

asked Aug 15, 2022 at 22:20

7 votes

2 answers

729 views

Ricci flow is not a gradient flow for $L^2$-space of metrics

asked Nov 18, 2017 at 21:01

4 votes

0 answers

80 views

Almost(?) elliptic operators

asked Oct 22, 2021 at 21:50

0 votes

1 answer

85 views

Reference request and methods indication to the continuity of solutions to the problema $L_tu = F(u), ~t\in [0,1],$ and $L_t$ elliptic

asked Jul 28, 2021 at 15:24

5 votes

1 answer

535 views

A corollary of the non-existence of positive scalar curvature

asked May 10, 2021 at 14:02

3 votes

0 answers

69 views

Schrodinger equations on foliated spaces

asked Mar 2, 2021 at 2:50

2 votes

1 answer

189 views

Approximating continuous functions via diffeomorphisms on compact manifolds

asked Jan 24, 2021 at 7:47

1 vote

0 answers

47 views

Can elliptic equations have solutions on non weakly closed subsets?

asked Jan 24, 2021 at 7:43

2 votes

0 answers

84 views

Examples of bundles with minimal fibers

asked Dec 20, 2020 at 21:53

2 votes

0 answers

128 views

Free actions on torus (reference request)

asked Dec 20, 2020 at 12:11

0 votes

0 answers

140 views

When linear strongly elliptic operators are invertible?

asked Jun 17, 2020 at 19:16

8 votes

0 answers

282 views

What is nice in gradient flows?

asked May 31, 2017 at 23:41

0 votes

1 answer

138 views

Is $\int_M\Delta u = 0$ if $u$ is not $C^2$ on a set of measure zero?

asked May 15, 2020 at 23:46

2 votes

0 answers

77 views

Analogous $H^1$-space for pseudo inner products

asked May 5, 2020 at 1:27

2 votes

0 answers

181 views

The Hopf conjecture for products and slight modification

asked Apr 23, 2020 at 15:39

3 votes

0 answers

174 views

References and results for the eigenvalues of Ricci tensor

asked Apr 6, 2020 at 0:43

2 votes

0 answers

88 views

Sufficient conditions for constant solutions

asked Mar 29, 2020 at 22:31

0 votes

0 answers

36 views

What does a curve with unbounded acceleration tells about its shape?

asked Mar 19, 2020 at 0:01

6 votes

0 answers

113 views

Can one relate $g(\nabla_XX,\nabla_YY) = |\nabla_XY|^2$ with some characteristic class?

asked Feb 5, 2020 at 1:33

3 votes

1 answer

258 views

Saddle points and negative scalar curvature

asked Nov 24, 2019 at 4:16

3 votes

1 answer

1k views

Simple existence and uniqueness for second order and linear elliptic PDE

asked Nov 18, 2019 at 20:18

5 votes

2 answers

341 views

An extra condition on Frobenius theorem for $1$-forms

asked Jun 13, 2019 at 5:48

2 votes

0 answers

52 views

Positive Ricci curvature on biquotients

asked Jun 4, 2019 at 3:42

2 votes

0 answers

58 views

Realizing curves as geodesics of positively curved metrics

asked May 28, 2019 at 21:40

2 votes

0 answers

124 views

Ricci flow on Riemannian submersions

asked May 21, 2019 at 17:50

3 votes

0 answers

143 views

Manifolds with positive sectional curvature almost everywhere

asked Apr 29, 2019 at 6:11

Stack Exchange Network

48 Questions

Unbounded curvature implies infinite diameter on complete metric spaces

Discs bundles along a curve and positive curvature

Unbounded sectional curvature implies infinite diameter?

Is the standard $\mathbb R^4$ the only one with positive sectional curvature?

Isometry induced on the Grassmannian of planes to the tangent space

Ricci flow is not a gradient flow for $L^2$-space of metrics

Almost(?) elliptic operators

Reference request and methods indication to the continuity of solutions to the problema $L_tu = F(u), ~t\in [0,1],$ and $L_t$ elliptic

A corollary of the non-existence of positive scalar curvature

Schrodinger equations on foliated spaces

Approximating continuous functions via diffeomorphisms on compact manifolds

Can elliptic equations have solutions on non weakly closed subsets?

Examples of bundles with minimal fibers

Free actions on torus (reference request)

When linear strongly elliptic operators are invertible?

What is nice in gradient flows?

Is $\int_M\Delta u = 0$ if $u$ is not $C^2$ on a set of measure zero?

Analogous $H^1$-space for pseudo inner products

The Hopf conjecture for products and slight modification

References and results for the eigenvalues of Ricci tensor

Sufficient conditions for constant solutions

What does a curve with unbounded acceleration tells about its shape?

Can one relate $g(\nabla_XX,\nabla_YY) = |\nabla_XY|^2$ with some characteristic class?

Saddle points and negative scalar curvature

Simple existence and uniqueness for second order and linear elliptic PDE

An extra condition on Frobenius theorem for $1$-forms

Positive Ricci curvature on biquotients

Realizing curves as geodesics of positively curved metrics

Ricci flow on Riemannian submersions

Manifolds with positive sectional curvature almost everywhere