Product Of Sums

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• Product of sums — Als konjunktive Normalform (kurz KNF) wird in der Aussagenlogik eine bestimmte Form von Formeln bezeichnet. Inhaltsverzeichnis 1 Definition 2 Kanonische konjunktive Normalform 3 Bildung 4 Beispiel für die Bildung der KNF 5 …   Deutsch Wikipedia

• Cauchy product — In mathematics, the Cauchy product, named after Augustin Louis Cauchy, of two sequences , , is the discrete convolution of the two sequences, the sequence whose general term is given by In other words, it is the sequence whose associated formal… …   Wikipedia

• Proofs of Fermat's theorem on sums of two squares — Fermat s theorem on sums of two squares asserts that an odd prime number p can be expressed as: p = x^2 + y^2with integer x and y if and only if p is congruent to 1 (mod 4). The statement was announced by Fermat in 1640, but he supplied no proof …   Wikipedia

• Infinite product — In mathematics, for a sequence of numbers a 1, a 2, a 3, ... the infinite product :prod {n=1}^{infty} a n = a 1 ; a 2 ; a 3 cdotsis defined to be the limit of the partial products a 1 a 2... a n as n increases without bound. The product is said… …   Wikipedia

• Fermat's theorem on sums of two squares — In number theory, Pierre de Fermat s theorem on sums of two squares states that an odd prime p is expressible as:p = x^2 + y^2,,with x and y integers, if and only if:p equiv 1 pmod{4}.The theorem is also known as Thue s Lemma, after Axel Thue.For …   Wikipedia

• Inner product space — In mathematics, an inner product space is a vector space with the additional structure of inner product. This additional structure associates each pair of vectors in the space with a scalar quantity known as the inner product of the vectors.… …   Wikipedia

• Direct product of groups — Concepts in group theory category of groups subgroups, normal subgroups group homomorphisms, kernel, image, quotient direct product, direct sum semidirect product, wreath product …   Wikipedia

• Gross domestic product — GDP redirects here. For other uses, see GDP (disambiguation). Not to be confused with Gross national product or Gross domestic income. CIA World Factbook 2005 figures of total nominal GDP (top) compared to PPP adjusted GDP (bottom) …   Wikipedia

• National Income and Product Accounts — The National Income and Product Accounts (NIPA) are part of the national accounts of the United States. They are produced by the Bureau of Economic Analysis of the Department of Commerce. They are one of the main sources of data on general… …   Wikipedia

• Topological tensor product — In mathematics, there are usually many different ways to construct a topological tensor product of two topological vector spaces. For Hilbert spaces or nuclear spaces there is a simple well behaved theory of tensor products (see Tensor product of …   Wikipedia

• Moyal product — In mathematics, the Moyal product, named after José Enrique Moyal, is perhaps the best known example of a phase space star product: an associative, non commutative product, ∗, on the functions on ℝ2n, equipped with its Poisson bracket (with a… …   Wikipedia