Vertex
Vertex (Latin: peak; plural vertices or vertexes) means the "top", or the highest geometric point of something, usually a curved surface or line, or a point where any two geometric sides or edges meet regardless of elevation; as opposed to an apex which is frequently a highest angular point such as possessed by a triangle, pyramid, or cone. It may refer to:
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Mathematics and computer science
- Vertex (computer graphics), a point in space with additional attributes
- Vertex (curve), a local extreme point of curvature
- Vertex (geometry), a point where higher-dimensional geometric objects meet
- Vertex (graph theory), a node in a graph
- Vertex (topography), a data point in certain geographic information systems
- Vertex of a representation, a certain type of subgroup in finite group theory
Physics
- Vertex (physics), a point where particles collide and interact
- Vertex function, describing the interaction between a photon and an electron
- Vertex model in statistical mechanics, a discrete model of a physical system in which weights are associated with vertices of a grid graph
- Vertex operator algebra in conformal field theory
Biology and anatomy
- Vertex (anatomy), the uppermost surface of the head of an arthropod or vertebrate
- Vertex (urinary bladder), alternative name of the apex of urinary bladder
- Vertex distance, the distance between the surface of the cornea of the eye and a lens situated in front of it
- Vertex presentation, head-first birth of a baby
Companies
- Vertex (company), a business services provider
- Vertex Inc, an annuity software and business consulting company
- Vertex Pharmaceuticals, a biotech company
- Vertex Railcar, defunct rail car manufacturer 2014 to 2018
Music
- Vertex (album), a 1997 album by Buck 65
- Vertex (band), a band formed in 1996
- A song in video game In the Groove
Other uses
- Vertex (optics), a point where the optical axis crosses an optical surface
- Vertex (astrology), and anti-vertex, the points where the prime vertical intersects the ecliptic
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