| dbo:abstract |
Der Satz von Mercer ist eine mathematische Aussage aus dem Teilgebiet der Funktionalanalysis. Er ist benannt nach dem Mathematiker James Mercer und besagt, dass der Integralkern eines positiven, selbstadjungierten Integraloperators als konvergente Reihe über seine Eigenwerte und Eigenvektoren dargestellt werden kann. (de) En mathématiques et plus précisément en analyse fonctionnelle, le théorème de Mercer est une représentation d'une fonction symétrique de type positif par le carré d'une série convergente de produits de fonctions. Ce théorème est l'un des résultats phares de James Mercer. C'est un outil théorique important dans la théorie des équations intégrales. Il est aussi utilisé dans la théorie hilbertienne des processus stochastiques (voir (en) et Transformée de Karhunen-Loève). (fr) In mathematics, specifically functional analysis, Mercer's theorem is a representation of a symmetric positive-definite function on a square as a sum of a convergent sequence of product functions. This theorem, presented in, is one of the most notable results of the work of James Mercer (1883–1932). It is an important theoretical tool in the theory of integral equations; it is used in the Hilbert space theory of stochastic processes, for example the Karhunen–Loève theorem; and it is also used to characterize a symmetric positive semi-definite kernel. (en) |
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Mercer theorem (en) |
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| rdfs:comment |
Der Satz von Mercer ist eine mathematische Aussage aus dem Teilgebiet der Funktionalanalysis. Er ist benannt nach dem Mathematiker James Mercer und besagt, dass der Integralkern eines positiven, selbstadjungierten Integraloperators als konvergente Reihe über seine Eigenwerte und Eigenvektoren dargestellt werden kann. (de) En mathématiques et plus précisément en analyse fonctionnelle, le théorème de Mercer est une représentation d'une fonction symétrique de type positif par le carré d'une série convergente de produits de fonctions. Ce théorème est l'un des résultats phares de James Mercer. C'est un outil théorique important dans la théorie des équations intégrales. Il est aussi utilisé dans la théorie hilbertienne des processus stochastiques (voir (en) et Transformée de Karhunen-Loève). (fr) In mathematics, specifically functional analysis, Mercer's theorem is a representation of a symmetric positive-definite function on a square as a sum of a convergent sequence of product functions. This theorem, presented in, is one of the most notable results of the work of James Mercer (1883–1932). It is an important theoretical tool in the theory of integral equations; it is used in the Hilbert space theory of stochastic processes, for example the Karhunen–Loève theorem; and it is also used to characterize a symmetric positive semi-definite kernel. (en) |
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Satz von Mercer (de) Théorème de Mercer (fr) Mercer's theorem (en) |
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