# principal

• 181Principal homogeneous space — In mathematics, a principal homogeneous space, or torsor, for a group G is a set X on which G acts freely and transitively. That is, X is a homogeneous space for G such that the stabilizer of any point is trivial. An analogous definition holds in …

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• 182Principal Secretary (Canada) — In Canada the Principal Secretary is a senior aide, often the most senior political aide, to a head of government. Formerly the position of Principal Secretary was the most senior in the Canadian Prime Minister s Office though more recently it is …

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• 183Principal ideal ring — In mathematics, a principal ideal ring, or simply principal ring, is a ring R such that every ideal I of R is a principal ideal, i.e. generated by a single element a of R .A principal ideal ring which is also an integral domain is said to be a&#8230; …

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• 184Principal Park — Infobox Baseball Stadium stadium name = Principal Park location = Des Moines, Iowa opened = April 16, 1992 owner = City of Des Moines surface = Grass construction cost = \$12 million USD architect = HOK Sport + Venue + Event former names = Sec&#8230; …

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• 185Principal axis theorem — In the mathematical fields of geometry and linear algebra, a principal axis is a certain line in a Euclidean space associated to an ellipsoid or hyperboloid, generalizing the major and minor axes of an ellipse. The principal axis theorem states&#8230; …

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• 186Principal-Agent Problem — Conflicts of interest and moral hazard issues that arise when a principal hires an agent to perform specific duties that are in the best interest of the principal but may be costly, or not in the best interests of the agent. The principal agent&#8230; …

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• 187Principal parts — In language learning, the principal parts of a verb are those forms that a student must memorize in order to be able to conjugate the verb through all its forms.By languageEnglishIn English, the verb love derives all its forms systematically (&#8230; …

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• 188Principal Charming — Infobox Simpsons episode episode name = Principal Charming image caption = Principal Seymour Skinner proposes to Patty. episode no = 27 prod code = 7F15 airdate = February 14, 1991 show runner = James L. Brooks Matt Groening Sam Simon writer =&#8230; …

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• 189Principal Snyder — Infobox Buffyverse Character Principal Snyder Title=Principal Snyder First=The Puppet Show Last=Restless Creator=Joss Whedon Name=R. Snyder (first name unknown) Status=Deceased Kind=Human Affiliation=Pawn of Mayor Wilkins, Sunnydale High&#8230; …

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• 190Principal quantum number — In atomic physics, the principal quantum number symbolized as n is the first of a set of quantum numbers (which includes: the principal quantum number, the azimuthal quantum number, the magnetic quantum number, and the spin quantum number) of an&#8230; …

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• 191Principal Edwards Magic Theatre — Infobox musical artist Name = Principal Edwards Magic Theatre Img capt = Img size = Background = group or band Birth name = Alias = Born = Died = Origin = Exeter, England Instrument = Genre = Psychedelia Occupation = Years active = 1968 1975&#8230; …

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• 192Principal meridian — Figure 1. This BLM map depicts the principal meridians and baselines used for surveying states (colored) in the PLSS. A meridian is an imaginary line on the Earth s surface from the North Pole to the South Pole that connects all locations with a&#8230; …

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• 193Principal Teacher — A principal teacher (PT), in Scotland is a promoted post that usually refers to being head of a particular department within a secondary school, in charge of running the department and ensuring it is performing to school standard, but can also&#8230; …

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• 194Principal branch — In mathematics, a principal branch is a function which selects one branch, or slice , of a multi valued function. Most often, this applies to functions defined on the complex plane: see branch cut.One way to view a principal branch is to look&#8230; …

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• 195Principal part — In mathematics, the principal part has several independent meanings.Laurent seriesprincipal part of the Laurent series of a function f ( z ),: sum {k= infty}^infty a k (z a)^kis the series of terms with negative degree, that is: sum {k= infty}^{&#8230; …

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• 196Principal component regression — In statistics, principal component regression (PCR) is a regression analysis that uses principal component analysis when estimating regression coefficients.In PCR instead of regressing the independent variables (the regressors) on the dependent&#8230; …

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• 197Principal R. Snyder — Pour les articles homonymes, voir Snyder. Principal R. Snyder Personnage de fiction apparaissant dans …

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• 198Principal Private Secretary — In the British Civil Service the Principal Private Secretary is the Civil Servant who runs a minister s private office. Trivia A classic explanation is provided in the British sitcom Yes Minister .:Sir Humphrey (the Permanent Secretary) briefs&#8230; …

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• 199Principal protected note — Although traditional fixed income investments such as guaranteed investment certificates (GICs) and bonds provide investment security with little or no risk of capital loss, they provide modest returns. While stocks have the potential to deliver&#8230; …

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• 200Principal Secretary (India) — The Principal Secretary in India denotes a government official of high seniority and is commonly found in the state governments. There is only one Principal Secretary to the Government of India and that is the Chairman of the Railway Board who is …

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