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Direction profiles of convex sets in \(n\) space as \(n\) approaches infinity - MaRDI portal

Direction profiles of convex sets in \(n\) space as \(n\) approaches infinity (Q1189098)

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scientific article; zbMATH DE number 54516
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Direction profiles of convex sets in \(n\) space as \(n\) approaches infinity
scientific article; zbMATH DE number 54516

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    Direction profiles of convex sets in \(n\) space as \(n\) approaches infinity (English)
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    26 September 1992
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    Pour tout \(n\geq 1\), \(A_ n\) est un convexe compact de \(\mathbb{R}^ n\), de fonction caractéristique \(x\mapsto A_ n(x)\) telle que \(\int_{\mathbb{R}^ n}A_ n(x)dx=1\). On considère la transformation de Radon \(\widehat A_ n\) de cette fonction: pour tout \((\theta,t)\in S^{n-1}\times\mathbb{R}\), \(\widehat A_ n(\theta,t)\) est l'aire \((n-1)\) dimensionnelle de Lebesgue de la section de \(A_ n\) par l'hyperplan situé à la distance algébrique \(t\) dans la direction \(\theta\). \(\theta\) étant fixé, l'auteur étudie, pour certaines suites \((A_ n)_ n\) de convexes, le comportement asymptotique des fonctions \(t\mapsto\widehat A_ n(\theta,t)\).
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    area
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    Radon transform
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    direction profiles
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    convex sets in \(n\) space
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