On Projective Umbilics: a Geometric Invariant and an Index (Q4638256)
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scientific article; zbMATH DE number 6866538
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | On Projective Umbilics: a Geometric Invariant and an Index |
scientific article; zbMATH DE number 6866538 |
Statements
On Projective Umbilics: a Geometric Invariant and an Index (English)
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4 May 2018
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differential geometry
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surface
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singularity
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parabolic curve
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flecnodal curve
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projective umbilic
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invariant
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index
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cross-ratio
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quadratic point
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