- proper hypersphere
- мат. собственная гиперсфера
Большой англо-русский и русско-английский словарь. 2001.
proper hypersphere
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Hypersphere (The History of the Galaxy) — Hypersphere is a spatial anomaly that exists alongside the normal space time continuum in the The History of the Galaxy series of novels by Russian science fiction writer Andrey Livadny. Similar to hyperspace in the TV series Babylon 5 ,… … Wikipedia
Quaternions and spatial rotation — Unit quaternions provide a convenient mathematical notation for representing orientations and rotations of objects in three dimensions. Compared to Euler angles they are simpler to compose and avoid the problem of gimbal lock. Compared to… … Wikipedia
Rotation group — This article is about rotations in three dimensional Euclidean space. For rotations in four dimensional Euclidean space, see SO(4). For rotations in higher dimensions, see orthogonal group. In mechanics and geometry, the rotation group is the… … Wikipedia
Honeycomb (geometry) — In geometry, a honeycomb is a space filling or close packing of polyhedral or higher dimensional cells , so that there are no gaps. It is an example of the more general mathematical tiling or tessellation in any number of dimensions. Honeycombs… … Wikipedia
Sphere (disambiguation) — A sphere is an object shaped like the surface of a ball, but can be used to refer to a ball shaped object, as well as a sphere like or annular region or shell. Additionally, it has several metaphorical uses.In mathematics: * Sphere, the set of… … Wikipedia
Delphon — Delphons were an alien race in The History of the Galaxy series of novels by the Russian science fiction writer Andrey Livadny.The Delphons were first introduced in the novel The Black Moon , although the name was not yet given. Delphons is a… … Wikipedia
Difféomorphisme — En mathématiques, un difféomorphisme est un isomorphisme dans la catégorie des variétés différentielles : c est une bijection différentiable d une variété dans une autre, dont la bijection réciproque est aussi différentiable. Image d une… … Wikipédia en Français
