imaginary point

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• Imaginary point — A point (a,b,c) in the complex projective plane is called an imaginary point if there exists no complex number z such that za, zb and zc are real.This definition can be widened to complex projective space and complex projective hyperspaces as… …   Wikipedia

• Imaginary line (mathematics) — In geometry, an imaginary line is a straight line that only contains one real point. It can be proven that this point is the intersection point with the conjugated line.It is a special case of an imaginary curve.It can be proven that there exists …   Wikipedia

• Imaginary curve — In geometry an imaginary curve is an algebraic curve which contains a finite number of real points.ee also*Imaginary point *Real point *Imaginary line *Real line *Real curve …   Wikipedia

• Imaginary friend — Imaginary friends, also known as imaginary companions , are pretend characters often created by children. Imaginary friends often function as (or perform a tutelary function) when they are engaged by the child in play activityFact|date=February… …   Wikipedia

• Imaginary time — in quantum mechanics Imaginary time is a concept derived from quantum mechanics and is essential in connecting quantum mechanics with statistical mechanics. Imaginary time scriptstyle au is obtained from real time via a Wick rotation by… …   Wikipedia

• Point (typography) — Point, in typography, may also refer to a dot grapheme (e.g.: full stop; Interpunct) as in the expression, decimal point. For non typographical uses, see Point (disambiguation). Contents 1 French printer’s points …   Wikipedia

• Imaginary unit — i in the complex or cartesian plane; real numbers fall on the horizontal axis, and imaginary numbers fall on the vertical axis In mathematics, the imaginary unit allows the real number system ℝ to be extended to the complex number system ℂ, which …   Wikipedia

• Imaginary calculus — Calculus Cal cu*lus, n.; pl. {Calculi}. [L, calculus. See {Calculate}, and {Calcule}.] 1. (Med.) Any solid concretion, formed in any part of the body, but most frequent in the organs that act as reservoirs, and in the passages connected with… …   The Collaborative International Dictionary of English

• Imaginary line — In general, an imaginary line is any sort of line that has only an abstract definition, and does not exist in fact.As a geographical concept, an imaginary line may serve as an arbitrary division (such as a border). It may also be a standardized… …   Wikipedia

• Point Me at the Sky — Infobox Single Name = Point Me at the Sky Artist = Pink Floyd from Album = B side = Careful with That Axe, Eugene Released = 17 December, 1968 Format = Recorded = 4 November, 1968 Genre = Progressive rock Length = 3:35 Label = Columbia (EMI) (UK) …   Wikipedia

• Brownie point — imaginary point scored to one s credit or in one s favour …   Dictionary of Australian slang