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sphere-packing problem

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  • Sphere packing — In mathematics, sphere packing problems are problems concerning arrangements of non overlapping identical spheres which fill a space. Usually the space involved is three dimensional Euclidean space. However, sphere packing problems can be… …   Wikipedia

  • Packing problem — Part of a series on Puzzles …   Wikipedia

  • Packing — may refer to:In Mechanical engineering: * Packing, also known as an O ring or other type of Seal (mechanical), a term for a sealing material * Packing gland is a mechanical term for the groove in which a packing sits.In Mathematics: * Sphere… …   Wikipedia

  • Problem of Apollonius — In Euclidean plane geometry, Apollonius problem is to construct circles that are tangent to three given circles in a plane (Figure 1); two circles are tangent if they touch at a single point. Apollonius of Perga (ca. 262 BC ndash; ca. 190 BC)… …   Wikipedia

  • Cutting stock problem — The cutting stock problem is an optimization problem, or more specifically, an integer linear programming problem. It arises from many applications in industry. Imagine that you work in a paper mill and you have a number of rolls of paper of… …   Wikipedia

  • Close-packing of spheres — hcp and fcc close packing of spheres In geometry, close packing of spheres is a dense arrangement of equal spheres in an infinite, regular arrangement (or lattice). Carl Friedrich Gauss proved that the highest average density – that is, the… …   Wikipedia

  • Circle packing theorem — Example of the circle packing theorem on K5, the complete graph on five vertices, minus one edge. The circle packing theorem (also known as the Koebe–Andreev–Thurston theorem) describes the possible tangency relations between circles in the plane …   Wikipedia

  • Circle packing — This article describes the packing of circles on surfaces. For the related article on circle packing with a prescribed intersection graph, please see the circle packing theorem. The most efficient way to pack different sized circles together is… …   Wikipedia

  • Kissing number problem — In geometry, the kissing number is the maximum number of spheres of radius 1 that can simultaneously touch the unit sphere in n dimensional Euclidean space. The kissing number problem seeks the kissing number as a function of n .Known kissing… …   Wikipedia

  • Hilbert's eighteenth problem — is one of the 23 Hilbert problems set out in a celebrated list compiled in 1900 by David Hilbert. It asks three separate questions. Symmetry groups in n dimensions The first part of the problem asks whether there are only finitely many… …   Wikipedia

  • Tammes problem — In geometry, Tammes problem is a problem in packing a given number of circles on the surface of a sphere such that the minimum distance between circles is maximized. It can be viewed as a generalization of the Thomson problem, in which the… …   Wikipedia

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