1. Sphere packingIn geometry, a sphere packing is an arrangement of non-overlapping spheres within a containing space. The spheres considered are usually all of identical size, and the space is usually three-dimensional Euclidean space. However, sphere packing problems can be generalised to consider unequal spheres, n-dimensional Euclidean space (where the problem becomes circle packing in two dimensions, or hypersphere packing in higher dimensions) or to non-Euclidean spaces such as hyperbolic space.
Read “Sphere packing” on English Wikipedia
Read “球充填” on Japanese Wikipedia
Read “Sphere packing” on DBpedia
Read “Sphere packing” on English Wikipedia
Read “球充填” on Japanese Wikipedia
Read “Sphere packing” on DBpedia
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