Gergely Wintsche

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Given r > 1, we consider the minimal volume, minimal surface area and minimal mean width of convex bodies in E that contain a unit ball, and the extreme points are of distance at least r from the centre of the unit ball; more precisely, we investigate the difference of these minimums and of the volume, surface area and mean width, respectively, of the unit(More)
For a given convex body K in R with C boundary, let P i n be the inscribed polytope of maximal volume with at most n vertices, and let P c (n) be the circumscribed polytope of minimal volume with at most n faces. We prove that typical faces of P i n are close to regular triangles in a suitable sense, and typical faces of P c (n) are close to regular(More)
Given r > 1, we search for the convex body of minimal volume in E3 that contains a unit ball, and whose extreme points are of distance at least r from the centre of the unit ball. It is known that the extremal body is the regular octahedron and icosahedron for suitable values of r. In this paper we prove that if r is close to one then the typical faces of(More)
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