imaginary period

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• 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

• imaginary companion —    Also referred to as childhood companion and hallucinated playmate. The term imaginary companion is indebted to the Latin verb imaginari, which means to copy, to imitate, to picture. It has been in use at least since the late 19th century. It… …   Dictionary of Hallucinations

• Period (number) — In mathematics, a period is a number that can be expressed as an integral of an algebraic function over an algebraic domain. The concept has been promoted by Maxim Kontsevich and Don Zagier.In elementary mathematics each group of three digits in… …   Wikipedia

• Foster's Home for Imaginary Friends — Intertitle Genre Animated series, Fantasy, Sitcom Created by Craig McCracken …   Wikipedia

• Third Period — The Third Period was the policy adopted by the Comintern at the end of the Soviet Union s New Economic Policy in 1928 and was in place until the adoption of the Popular Front policy in 1935.The Third Period policy was based on Stalin s theory of… …   Wikipedia

• The Fixed Period — (1882) is a satirical dystopian novel by Anthony Trollope.IntroductionIt was first published in six instalments in Blackwood s Magazine in 1881 82 and in book form in 1882. In the same year there also appeared U.S. and Tauchnitz editions of the… …   Wikipedia

• Quarter period — In mathematics, the quarter periods K ( m ) and iK prime;( m ) are special functions that appear in the theory of elliptic functions. The quarter periods K and iK are given by:K(m)=int 0^{pi/2} frac{d heta}{sqrt {1 m sin^2 heta and :iK (m) = iK(1 …   Wikipedia

• Pendulum (mathematics) — The mathematics of pendulums are in general quite complicated. Simplifying assumptions can be made, which in the case of a simple pendulum allows the equations of motion to be solved analytically for small angle oscillations. Simple gravity… …   Wikipedia

• Middle-earth — For other uses, see Middle earth (disambiguation). Middle earth The Hobbit The Lord of the Rings location Creator J. R. R. Tolkien Genre Novel/Film …   Wikipedia

• Mendelejeff's law — Periodic Pe ri*od ic, Periodical Pe ri*od ic*al, a. [L. periodicus, Gr. ?: cf. F. p[ e]riodique.] 1. Of or pertaining to a period or periods, or to division by periods. [1913 Webster] The periodicaltimes of all the satellites. Sir J. Herschel.… …   The Collaborative International Dictionary of English

• Periodic — Pe ri*od ic, Periodical Pe ri*od ic*al, a. [L. periodicus, Gr. ?: cf. F. p[ e]riodique.] 1. Of or pertaining to a period or periods, or to division by periods. [1913 Webster] The periodicaltimes of all the satellites. Sir J. Herschel. [1913… …   The Collaborative International Dictionary of English