vertex of pencil
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Circles of Apollonius — Apollonian circle redirects here. For a subdivision of this subject, see Apollonian circles. The term circle of Apollonius is used to describe several types of circles associated with Apollonius of Perga, a renowned Greek geometer. Most of these… … Wikipedia
Hyperbola — This article is about a geometrical curve, a conic section. For the term used in rhetoric, see Hyperbole … Wikipedia
Glossary of graph theory — Graph theory is a growing area in mathematical research, and has a large specialized vocabulary. Some authors use the same word with different meanings. Some authors use different words to mean the same thing. This page attempts to keep up with… … Wikipedia
Dijkstra's algorithm — Not to be confused with Dykstra s projection algorithm. Dijkstra s algorithm Dijkstra s algorithm runtime Class Search algorithm Data structure Graph Worst case performance … Wikipedia
Transparallel processing — is a form of processing, in computing or otherwise, in which items are processed simultaneously by one processor.Transparallel processing complements the three forms of processing called: * subserial processing, in which items are processed one… … Wikipedia
Ramsey's theorem — This article goes into technical details quite quickly. For a slightly gentler introduction see Ramsey theory. In combinatorics, Ramsey s theorem states that in any colouring of the edges of a sufficiently large complete graph (that is, a simple… … Wikipedia
Optical aberration — v · d · e Optical aberration … Wikipedia
Dessin d'enfant — In mathematics, a dessin d enfant (French for a child s drawing , plural dessins d enfants, children s drawings ) is a type of graph drawing used to study Riemann surfaces and to provide combinatorial invariants for the action of the absolute… … Wikipedia
Conic section — Types of conic sections: 1. Parabola 2. Circle and ellipse 3. Hyperbola … Wikipedia
Desmic system — Two desmic tetrahedra. The third tetrahedron of this system is not shown, but has one vertex at the center and the other three on the plane at infinity. In projective geometry, a desmic system is a set of three tetrahedra in 3 dimensional… … Wikipedia
Reflection mapping — An example of reflection mapping. In computer graphics, environment mapping, or reflection mapping, is an efficient Image based lighting technique for approximating the appearance of a reflective surface by means of a precomputed texture image.… … Wikipedia
