orientable — [ ɔrjɑ̃tabl ] adj. • 1918; de orienter 1 ♦ Que l on peut orienter dans la direction voulue. Lampe orientable. Store à lames orientables. 2 ♦ Math. Surface orientable, qui peut être orientée et distinguée de sa symétrique par rapport à un plan de… … Encyclopédie Universelle
orientable — adjective Able to be oriented. Ant: nonorientable, non … Wiktionary
orientable — ► adjetivo Que se puede orientar. ► Que puede adoptar varias posiciones … Enciclopedia Universal
orientable — … Useful english dictionary
Non-orientable wormhole — In wormhole theory, a non orientable wormhole is a wormhole connection that appears to reverse the chirality of anything passed through it. It is related to the twisted connections normally used to construct a Möbius strip or Klein bottle. In… … Wikipedia
non-orientable — … Useful english dictionary
Orientability — For orientation of vector spaces, see orientation (mathematics). For other uses, see Orientation (disambiguation). The torus is an orientable surface … Wikipedia
Seifert fiber space — A Seifert fiber space is a 3 manifold together with a nice decomposition as a disjoint union of circles. In other words it is a S^1 bundle (circle bundle) over a 2 dimensional orbifold. Most small 3 manifolds are Seifert fiber spaces, and they… … Wikipedia
Fibré de Seifert — En topologie, un fibré de Seifert est une variété de dimension 3 munie d une « bonne » partition en cercles. Plus précisément, c est un fibré en cercles sur un orbifold de dimension 2. Ces variétés ont été introduites par Herbert… … Wikipédia en Français
Surface — This article discusses surfaces from the point of view of topology. For other uses, see Differential geometry of surfaces, algebraic surface, and Surface (disambiguation). An open surface with X , Y , and Z contours shown. In mathematics,… … Wikipedia
Genus (mathematics) — In mathematics, genus has a few different, but closely related, meanings:TopologyOrientable surfaceThe genus of a connected, orientable surface is an integer representing the maximum number of cuttings along closed simple curves without rendering … Wikipedia
