Question

Heegaard genus and ranks of fundamental groups

score 143 · Answer 1 · 2026-03-25 16:14:07

143

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Heegaard genus and ranks of fundamental groups

Published on 25 Mar 2026 - 16:14

score 351 · Answer 2 · 2026-03-21 16:25:18

351

Views

How do you obtain the $(2,3,7)$ triangle group as a quotient of the modular group?

Published on 21 Mar 2026 - 16:25

score 87 · Answer 3 · 2020-04-06 00:59:38

87

Views

Existence of compact space forms of negative curvature

Published on 06 Apr 2020 - 0:59

score 128 · Answer 4 · 2020-04-07 02:53:53

128

Views

How do determine if two matrices in the modular group are equivalent as elements of (2,3,7)

Published on 07 Apr 2020 - 2:53

score 155 · Answer 5 · 2026-03-26 19:17:09

155

Views

Constructing a point on a geodesic line in the hyperbolic disc with a given distance from another point

Published on 26 Mar 2026 - 19:17

score 246 · Answer 6 · 2026-02-23 15:16:31

246

Views

Parallellogram in Hyperbolic Geometry is not composed of two congruent triangles.

Published on 23 Feb 2026 - 15:16

score 139 · Answer 7 · 2026-03-26 19:02:50

139

Views

Reparametrising a 1st Fundamental Form to the 1st F.F. of the half-plane model of the hyperbolic plane

Published on 26 Mar 2026 - 19:02

score 85 · Answer 8 · 2020-04-14 13:40:14

85

Views

Poincare distance of a point from Euclidean circle

Published on 14 Apr 2020 - 13:40

score 480 · Answer 9 · 2020-04-15 07:38:46

480

Views

Is Shadowing Lemma specific to hyperbolic dynamical systems?

Published on 15 Apr 2020 - 7:38

score 65 · Answer 10 · 2020-04-20 03:32:04

65

Views

Does there exist a real-valued function on the hyperbolic plane which has bounded hessian norm and unbounded gradient norm?

Published on 20 Apr 2020 - 3:32

score 55 · Answer 11 · 2026-03-27 08:42:57

55

Views

Which automorphisms of the plane preserve the hyperbola?

Published on 27 Mar 2026 - 8:42

score 65 · Answer 12 · 2026-03-26 19:02:53

65

Views

For what reason straight lines must be on planes that go through the origin and how were the centers (origin) of the different geometries defined?

Published on 26 Mar 2026 - 19:02

score 71 · Answer 13 · 2026-03-26 06:26:46

71

Views

length-difference in a hyperbolic geodesic triangle

Published on 26 Mar 2026 - 6:26

score 516 · Answer 14 · 2020-04-25 21:51:55

516

Views

How to compute the side length of an equilateral hyperbolic triangle from its angle?

Published on 25 Apr 2020 - 21:51

score 1.2k · Answer 15 · 2020-05-02 22:39:12

1.2k

Views

Geometric proof that the area of a hyperbolic triangle is proportional to its angle defect

Published on 02 May 2020 - 22:39

List Question

Heegaard genus and ranks of fundamental groups

How do you obtain the $(2,3,7)$ triangle group as a quotient of the modular group?

Existence of compact space forms of negative curvature

How do determine if two matrices in the modular group are equivalent as elements of (2,3,7)

Constructing a point on a geodesic line in the hyperbolic disc with a given distance from another point

Parallellogram in Hyperbolic Geometry is not composed of two congruent triangles.

Reparametrising a 1st Fundamental Form to the 1st F.F. of the half-plane model of the hyperbolic plane

Poincare distance of a point from Euclidean circle

Is Shadowing Lemma specific to hyperbolic dynamical systems?

Does there exist a real-valued function on the hyperbolic plane which has bounded hessian norm and unbounded gradient norm?

Which automorphisms of the plane preserve the hyperbola?

For what reason straight lines must be on planes that go through the origin and how were the centers (origin) of the different geometries defined?

length-difference in a hyperbolic geodesic triangle

How to compute the side length of an equilateral hyperbolic triangle from its angle?

Geometric proof that the area of a hyperbolic triangle is proportional to its angle defect

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