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15
139
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Non trivial section of the Bott bundle

Published on
#operator-algebras #projective-geometry #c-star-algebras #projective-space #fiber-bundles
819
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Complete quadrilateral: projective version of Newton-Gauss line

Published on
#geometry #euclidean-geometry #projective-geometry #plane-geometry
58
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Local projective transformations

Published on
#geometry #differential-geometry #riemannian-geometry #projective-geometry
1.1k
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Showing a Projective Plane has 7 Points and 6 Lines

Published on
#discrete-mathematics #projective-geometry #axiomatic-geometry
319
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Formulating the provided cost function for a least squares optimization problem

Published on
#linear-algebra #optimization #nonlinear-optimization #projective-geometry
106
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Is it possible that irreducible components of curves have greater genus than the original curve?

Published on
#algebraic-geometry #algebraic-curves #projective-geometry #projective-schemes
58
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Is there a bound on the number of irreducible components in terms of the (arithmetic) genus?

Published on
#algebraic-geometry #algebraic-curves #projective-geometry #schemes
466
Views

Projective cubic curves?

Published on
#projective-geometry #hyperbolic-geometry
212
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Problem: Connection between cross ratio and collinearity

Published on
#geometry #projective-geometry #projective-space #cross-ratio
131
Views

Cross Ratio of line through tetrahedron same as of planes of vertices with line

Published on
#geometry #projective-geometry #cross-ratio
382
Views

$SU(2)$ acts transitively on $\mathbb{CP}^1$

Published on
#group-theory #projective-geometry #group-actions #projective-space #linear-groups
128
Views

Can skew lines preserve cross ratio?

Published on
#geometry #projective-geometry #projective-space #cross-ratio
37
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Intersections of four lines with two others have same cross ratio - any other line intersecting three of the original ones interects the fourth!

Published on
#geometry #projective-geometry
125
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Is the projective space over matrices of rank bigger than $k$ compact?

Published on
#general-topology #compactness #projective-geometry #matrix-rank #projective-space
271
Views

solution verification for finding ideal point(point at infinity) of a line

Published on
#proof-verification #euclidean-geometry #projective-geometry

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