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How to understand projective maps

Published on
#projective-geometry
81
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Does the circle group given by drawing a parallel chord through the identity match the complex multiplicative unit circle group?

Published on
#group-theory #algebraic-topology #complex-numbers #projective-geometry
393
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Show that U,V and H are colinear

Published on
#geometry #euclidean-geometry #projective-geometry #polygons
138
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Irreducible closed subset of Proj(R)

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#algebraic-geometry #commutative-algebra #projective-geometry
150
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How to prove this is an isomorphism of varieties

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#algebraic-geometry #projective-geometry #projective-varieties
356
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Unique Automorphism of the Projective Line mapping 3 points to 3 points

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#algebraic-geometry #projective-geometry
148
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Triangle with a circle having an altitude as its diameter: proof of a property without using crossratios

Published on
#geometry #trigonometry #metric-spaces #projective-geometry
31
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Pattern identification in real (conically deformed) images

Published on
#computer-science #projective-geometry #image-processing #pattern-recognition #pattern-matching
103
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Show that $\mathbb{P}(V)$ and $G_{1}(V)$ are diffeomorphic

Published on
#differential-geometry #projective-geometry #grassmannian
102
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How can I prove this geometric equality?

Published on
#geometry #projective-geometry #ratio
7.1k
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Back projecting a 2D pixel from an image to its corresponding 3D point.

Published on
#linear-algebra #geometry #projective-geometry #computational-geometry #computer-vision
111
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On the equations of the k-secant of the Segre variety

Published on
#algebraic-geometry #systems-of-equations #projective-geometry
218
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Infinite faces of a graph by mapping it onto a sphere

Published on
#graph-theory #projective-geometry
1.4k
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Extending a rational map $\psi:C\dashrightarrow\Bbb{P}^1$ into a morphism: concrete example

Published on
#algebraic-geometry #projective-geometry #plane-curves
120
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How does it make sense to represent "cartesian coordinates vectors" as "homogeneous coordinates points at infinity"?

Published on
#computer-science #projective-geometry

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