On Polar Duality, Lagrange and Legendre Singularities and Stereographic Projection to Quadrics (Q4444950)
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scientific article; zbMATH DE number 2034316
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On Polar Duality, Lagrange and Legendre Singularities and Stereographic Projection to Quadrics |
scientific article; zbMATH DE number 2034316 |
Statements
On Polar Duality, Lagrange and Legendre Singularities and Stereographic Projection to Quadrics (English)
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28 January 2004
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projective differential geometry
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Euclidean differential geometry
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stereographic projection
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quasi-revolution quadrics
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Sedykh's theorem
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vertex of a curve
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convex curve
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flattening of a curve
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polar duality map
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symplectic singularities
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Lagrangian map
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normal map
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Lagrangian equivalence
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contact singularities
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spherized cotangent bundle
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Legendrian fibration
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Legendrian map
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tangential map
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Legendrian equivalence
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polar dual front
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evolute
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varieties of singularities
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inversion
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standard folded umbrella
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Legendre lifting
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umbilic points of surfaces
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