Question

What is the Euler characteristic of the hyperboloid of one sheet

score 504 · Answer 1 · 2026-04-10 20:59:57

504

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What is the Euler characteristic of the hyperboloid of one sheet

Published on 10 Apr 2026 - 20:59

score 481 · Answer 2 · 2026-04-13 19:30:24

481

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When can a regular surface be written as the graph of some function.

Published on 13 Apr 2026 - 19:30

score 42 · Answer 3 · 2026-04-16 13:48:05

42

Views

Show that $Z^{\prime }\left( s\right) -2\sqrt{-1}H\left( s\right) Z\left( s\right) -1=0 $

Published on 16 Apr 2026 - 13:48

score 73 · Answer 4 · 2026-04-15 18:30:05

73

Views

$\mathfrak{C}^{\infty}$ - Structures on Spheres

Published on 15 Apr 2026 - 18:30

score 56 · Answer 5 · 2026-04-17 10:33:24

56

Views

Solve the ode $W^{\prime }\left( s\right) -2iH\left( s\right) W\left( s\right) -1=0$

Published on 17 Apr 2026 - 10:33

score 780 · Answer 6 · 2026-04-15 21:27:46

780

Views

Group of matrices form a manifold or euclidean space

Published on 15 Apr 2026 - 21:27

score 286 · Answer 7 · 2026-04-14 18:09:20

286

Views

Computing the principal curvatures and directions without making reference to a parametrization

Published on 14 Apr 2026 - 18:09

score 123 · Answer 8 · 2026-04-12 04:18:14

123

Views

Definition of morphism between flat bundles

Published on 12 Apr 2026 - 4:18

score 61 · Answer 9 · 2026-04-14 21:04:54

61

Views

If $[X, Y]=0$, then $\operatorname{Ad}_{e^{tX}}Y = Y$ for all $t\in \mathbb{R}$?

Published on 14 Apr 2026 - 21:04

score 556 · Answer 10 · 2026-04-17 02:51:27

556

Views

Realizing any vector in tangent space as tangent vector

Published on 17 Apr 2026 - 2:51

score 67 · Answer 11 · 2026-04-11 05:06:30

67

Views

Distributional derivative and Laplace-Beltrami operator

Published on 11 Apr 2026 - 5:06

score 74 · Answer 12 · 2026-04-12 13:34:54

74

Views

Can the direct sum of a real algebra be embedded into itself?

Published on 12 Apr 2026 - 13:34

score 646 · Answer 13 · 2026-04-13 07:32:30

646

Views

Why Euler characteristic is additive on a short exact sequence?

Published on 13 Apr 2026 - 7:32

score 199 · Answer 14 · 2026-04-09 23:55:01

199

Views

the Hyperbolic space has constant sectional curvature $-1$, why is not contradict to the Hadamard Theorem?

Published on 09 Apr 2026 - 23:55

score 2.7k · Answer 15 · 2026-04-16 20:08:49

2.7k

Views

Gradient of distance-squared on Riemannian manifold

Published on 16 Apr 2026 - 20:08

List Question

What is the Euler characteristic of the hyperboloid of one sheet

When can a regular surface be written as the graph of some function.

Show that $Z^{\prime }\left( s\right) -2\sqrt{-1}H\left( s\right) Z\left( s\right) -1=0 $

$\mathfrak{C}^{\infty}$ - Structures on Spheres

Solve the ode $W^{\prime }\left( s\right) -2iH\left( s\right) W\left( s\right) -1=0$

Group of matrices form a manifold or euclidean space

Computing the principal curvatures and directions without making reference to a parametrization

Definition of morphism between flat bundles

If $[X, Y]=0$, then $\operatorname{Ad}_{e^{tX}}Y = Y$ for all $t\in \mathbb{R}$?

Realizing any vector in tangent space as tangent vector

Distributional derivative and Laplace-Beltrami operator

Can the direct sum of a real algebra be embedded into itself?

Why Euler characteristic is additive on a short exact sequence?

the Hyperbolic space has constant sectional curvature $-1$, why is not contradict to the Hadamard Theorem?

Gradient of distance-squared on Riemannian manifold

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