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bn:01234344n
Noun Concept
Categories: Algebraic geometry, Surfaces, Singularity theory, Differential topology
EN
Whitney umbrella  Cayley umbrella  Whitney's umbrella
EN
In geometry, the Whitney umbrella is a specific self-intersecting ruled surface placed in three dimensions. Wikipedia
Definitions
Sources
EN
In geometry, the Whitney umbrella is a specific self-intersecting ruled surface placed in three dimensions. Wikipedia
three dimensions self-intersecting surface Wikidata
Wikipedia
EN
Whitney umbrella
Wikidata
EN
Whitney umbrella
Wikipedia Redirections
EN
Cayley umbrella, Whitney's umbrella

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