- tangent structure
- одностоечная (промежуточная) опора
Большой англо-русский и русско-английский словарь. 2001.
tangent structure
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Structure tensor — Structure tensors (or second moment matrices) are matrix representations of partial derivatives. In the field of image processing and computer vision, they are typically used to represent gradients, edges or similar information. Structure tensors … Wikipedia
Tangent bundle — In mathematics, the tangent bundle of a smooth (or differentiable) manifold M , denoted by T ( M ) or just TM , is the disjoint unionThe disjoint union assures that for any two points x 1 and x 2 of manifold M the tangent spaces T 1 and T 2 have… … Wikipedia
Structure presque quaternionique — En mathématiques, une structure presque quaternionique sur une variété différentielle réelle est une donnée visant à associer à son fibré tangent une structure d espace vectoriel sur le corps[1] des quaternions. Sa définition a varié depuis le… … Wikipédia en Français
Tangent space — In mathematics, the tangent space of a manifold is a concept which facilitates the generalization of vectors from affine spaces to general manifolds, since in the latter case one cannot simply subtract two points to obtain a vector pointing from… … Wikipedia
Tangent lines to circles — In Euclidean plane geometry, tangent lines to circles form the subject of several theorems, and play an important role in many geometrical constructions and proofs. Since the tangent line to a circle at a point P is perpendicular to the radius to … Wikipedia
Structure presque complexe — En géométrie différentielle, une structure presque complexe sur une variété différentielle réelle est la donnée d une structure d espace vectoriel complexe sur chaque espace tangent. Sommaire 1 Définition formelle 2 Exemples 3 Formes… … Wikipédia en Français
Tangent modulus — In solid mechanics, the tangent modulus is the slope of the compression stress strain curve at any specified stress or strain. Below the proportional limit the tangent modulus is equivalent to Young s modulus. Above the proportional limit the… … Wikipedia
Double tangent bundle — In mathematics, particularly differential topology, the double tangent bundle or the second tangent bundle refers to the tangent bundle (TTM,πTTM,TM) of the total space TM of the tangent bundle (TM,πTM,M) of a smooth manifold M [1]. The second… … Wikipedia
Causal structure — This article is about the possible causal relationships among points in a Lorentzian manifold. For classification of Lorentzian manifolds according to the types of causal structures they admit, see Causality conditions. In mathematical physics,… … Wikipedia
Generalized complex structure — In the field of mathematics known as differential geometry, a generalized complex structure is a property of a differential manifold that includes as special cases a complex structure and a symplectic structure. Generalized complex structures… … Wikipedia
G-structure — In differential geometry, a G structure on an n manifold M , for a given structure group [Which is a Lie group G o GL(n,mathbf{R}) mapping to the general linear group GL(n,mathbf{R}). This is often but not always a Lie subgroup; for instance, for … Wikipedia
