Coverings by convex bodies and inscribed balls

dc.creatorKadets, Vladimir
dc.date2003-12-05
dc.date.accessioned2026-07-07T05:03:37Z
dc.date.available2026-07-07T05:03:37Z
dc.descriptionLet $H$ be a Hilbert space. For a closed convex body $A$ denote by $r(A)$ the supremum of radiuses of balls, contained in $A$. We prove, that $\sum_{n=1}^\infty r(A_n) \ge r(A)$ for every covering of a convex closed body $A \subset H$ by a sequence of convex closed bodies $A_n$, $n \in \N$. It looks like this fact is new even for triangles in a 2-dimensional space.
dc.description6 pages
dc.identifierhttps://arxiv.org/abs/math/0312133
dc.identifierhttp://arxiv.org/abs/math/0312133
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/69491
dc.subjectFunctional Analysis
dc.subject46C05
dc.titleCoverings by convex bodies and inscribed balls
dc.typetext

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