Question

Upper Bound on injectivity radius of the cover of a closed manifold

score 250 · Answer 1 · 2017-04-15 17:30:16

250

Views

Upper Bound on injectivity radius of the cover of a closed manifold

Published on 15 Apr 2017 - 17:30

score 122 · Answer 2 · 2017-04-16 13:22:35

122

Views

Condition for a quotient space to be compact

Published on 16 Apr 2017 - 13:22

score 358 · Answer 3 · 2026-04-01 02:05:45

358

Views

Looking for theorem of form: If [curvature hypotheses, etc] then every class in $\pi_1(M)$ is uniquely represented by a closed geodesic

Published on 01 Apr 2026 - 2:05

score 197 · Answer 4 · 2026-03-31 23:55:13

197

Views

Can a pair of pants inherit a negatively curved Riemann metric from 3-space?

Published on 31 Mar 2026 - 23:55

score 361 · Answer 5 · 2017-04-23 13:44:20

361

Views

Which bordered surfaces have hyperbolic structures?

Published on 23 Apr 2017 - 13:44

score 106 · Answer 6 · 2026-03-29 12:05:12

106

Views

Show the energy functional is invariant under isometries ($A \cdot z$) of H$^2$

Published on 29 Mar 2026 - 12:05

score 212 · Answer 7 · 2026-03-27 06:56:44

212

Views

Particular case of Gauss-Bonnet for polygons in $\mathbb{R}^2, \mathbb{H}^2$ and $\mathbb{S}^2$

Published on 27 Mar 2026 - 6:56

score 93 · Answer 8 · 2026-03-28 06:40:13

93

Views

Simplifying the "cat's eye" function $f(z) = \frac {(e^x + 1)z + (e^x - 1)} {(e^x - 1)z + (e^x + 1)}$.

Published on 28 Mar 2026 - 6:40

score 172 · Answer 9 · 2026-02-23 18:56:23

172

Views

Do $\Bbb H$ and $\Bbb R^2$ have the same uniform structure?

Published on 23 Feb 2026 - 18:56

score 121 · Answer 10 · 2026-03-28 06:41:51

Given a geodesic $I$ and a point $p$ not on $I$, there is a point $q$ on $I$ such that the geodesic joining $p$ and $q$ meets $I$ orthogonally.

score 1.1k · Answer 11 · 2026-03-28 05:01:03

1.1k

Views

Transitivity of mobius groups

Published on 28 Mar 2026 - 5:01

score 144 · Answer 12 · 2017-05-04 08:12:16

144

Views

About definition of Fuchsian group derived from a quaternion algebra

Published on 04 May 2017 - 8:12

score 1.9k · Answer 13 · 2017-05-10 01:18:27

1.9k

Views

Hyperbolic Rotation

Published on 10 May 2017 - 1:18

score 28 · Answer 14 · 2017-05-15 12:01:18

28

Views

How much does the projection map on a geodesic contract in negative curvature?

Published on 15 May 2017 - 12:01

score 62 · Answer 15 · 2017-05-16 20:36:02

62

Views

Ideal points in poincair disk model

Published on 16 May 2017 - 20:36

List Question

Upper Bound on injectivity radius of the cover of a closed manifold

Condition for a quotient space to be compact

Looking for theorem of form: If [curvature hypotheses, etc] then every class in $\pi_1(M)$ is uniquely represented by a closed geodesic

Can a pair of pants inherit a negatively curved Riemann metric from 3-space?

Which bordered surfaces have hyperbolic structures?

Show the energy functional is invariant under isometries ($A \cdot z$) of H$^2$

Particular case of Gauss-Bonnet for polygons in $\mathbb{R}^2, \mathbb{H}^2$ and $\mathbb{S}^2$

Simplifying the "cat's eye" function $f(z) = \frac {(e^x + 1)z + (e^x - 1)} {(e^x - 1)z + (e^x + 1)}$.

Do $\Bbb H$ and $\Bbb R^2$ have the same uniform structure?

Given a geodesic $I$ and a point $p$ not on $I$, there is a point $q$ on $I$ such that the geodesic joining $p$ and $q$ meets $I$ orthogonally.

Transitivity of mobius groups

About definition of Fuchsian group derived from a quaternion algebra

Hyperbolic Rotation

How much does the projection map on a geodesic contract in negative curvature?

Ideal points in poincair disk model

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