Fórmula de Grassman

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• Subespacio vectorial — En álgebra lineal, un subespacio vectorial es el subconjunto de un espacio vectorial, que debe cumplir ciertas características específicas. Contenido 1 Definición 1.1 Condición de existencia de subespacio 2 Operaciones con subespacios …   Wikipedia Español

• Grassmann number — In mathematical physics, a Grassmann number (also called an anticommuting number or anticommuting c number) is a mathematical construction which allows a path integral representation for Fermionic fields. They were discovered by David John… …   Wikipedia

• Feynman diagram — The Wick s expansion of the integrand gives (among others) the following termNarpsi(x)gamma^mupsi(x)arpsi(x )gamma^ upsi(x )underline{A mu(x)A u(x )};,whereunderline{A mu(x)A u(x )}=int{d^4pover(2pi)^4}{ig {mu u}over k^2+i0}e^{ k(x x )}is the… …   Wikipedia

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• Mustelidae — Mustelids Temporal range: Early Miocene–Recent …   Wikipedia

• 1984 — This article is about the year 1984. For the number, see 1984 (number). For the novel by George Orwell, see Nineteen Eighty Four. For other uses, see 1984 (disambiguation). Millennium: 2nd millennium Centuries: 19th century –… …   Wikipedia

• North American river otter — Conservation status Least Concern
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