List questions from stereographic-projections

Published on 19 Oct 2015 - 21:08

658

Views

Image of stereographic projection of line

Published on 10 May 2026 - 9:31

7.3k

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Stereographic projection (Theorem that circles on the sphere get mapped to circles on the plane)

Published on 23 Apr 2026 - 16:04

496

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Projectivization and stereographic projection, or: Why nonlinear + nonlinear = linear?

Published on 25 Apr 2026 - 14:27

80

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Doubt with an illustration of algebraic curves and Riemann surfaces

Published on 31 Mar 2026 - 10:16

1k

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Projecting a sphere from inside

Published on 10 May 2026 - 9:15

186

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Stereographic projection $S^3 \to \mathbb{P}^2(\mathbb{C})$

Published on 29 Mar 2026 - 9:23

400

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The identity map from $\mathbb{\bar B}^3$(as a subset of $\mathbb{R}^3)$ into $\mathbb{\bar B}^3$(as a smooth manifold with boundary) is not smooth?

Published on 02 May 2026 - 5:03

1.6k

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Rank of Jacobian Matrix for the Stereographic Projection

Published on 02 May 2026 - 8:24

370

Views

Show that all complex numbers $z \not= -1$ can be written as $z=\frac{1+it}{1-it}$

Published on 13 Apr 2026 - 1:52

65

Views

If $\phi : S^n - \{e_{n+1}\} \to \mathbb{R}^n$ is the stereographic projection, how to compute $\phi^{-1}$?

Published on 25 Mar 2026 - 12:54

3.1k

Views

Mapping The Unit Disc To The Hemisphere?

Published on 06 May 2026 - 14:07

70

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Why is $\mu=1$ clear?

Published on 25 Apr 2026 - 16:48

146

Views

curvature of an arc in S3, in stereographic projection

Published on 25 Mar 2026 - 11:14

246

Views

How to find a function on a 3-dimentional space base on a set of points?

Published on 25 Mar 2026 - 14:24

List Question

What is the equation of the point on a Sphere in $S^n$\ $P$?

Image of stereographic projection of line

Stereographic projection (Theorem that circles on the sphere get mapped to circles on the plane)

Projectivization and stereographic projection, or: Why nonlinear + nonlinear = linear?

Doubt with an illustration of algebraic curves and Riemann surfaces

Projecting a sphere from inside

Stereographic projection $S^3 \to \mathbb{P}^2(\mathbb{C})$

The identity map from $\mathbb{\bar B}^3$(as a subset of $\mathbb{R}^3)$ into $\mathbb{\bar B}^3$(as a smooth manifold with boundary) is not smooth?

Rank of Jacobian Matrix for the Stereographic Projection

Show that all complex numbers $z \not= -1$ can be written as $z=\frac{1+it}{1-it}$

If $\phi : S^n - \{e_{n+1}\} \to \mathbb{R}^n$ is the stereographic projection, how to compute $\phi^{-1}$?

Mapping The Unit Disc To The Hemisphere?

Why is $\mu=1$ clear?

curvature of an arc in S3, in stereographic projection

How to find a function on a 3-dimentional space base on a set of points?

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