Search results
Results From The WOW.Com Content Network
File:Novartis-Logo.svg. Size of this PNG preview of this SVG file: 512 × 84 pixels. Other resolutions: 320 × 53 pixels | 640 × 105 pixels | 1,024 × 168 pixels | 1,280 × 210 pixels | 2,560 × 420 pixels. Original file (SVG file, nominally 512 × 84 pixels, file size: 2 KB) This is a file from the Wikimedia Commons.
Fundamental vector field. In the study of mathematics and especially differential geometry, fundamental vector fields are an instrument that describes the infinitesimal behaviour of a smooth Lie group action on a smooth manifold. Such vector fields find important applications in the study of Lie theory, symplectic geometry, and the study of ...
In vector calculus and physics, a vector field is an assignment of a vector to each point in a space, most commonly Euclidean space . [1] A vector field on a plane can be visualized as a collection of arrows with given magnitudes and directions, each attached to a point on the plane. Vector fields are often used to model, for example, the speed ...
Vector flow in differential topology. Relevant concepts: (flow, infinitesimal generator, integral curve, complete vector field) Let V be a smooth vector field on a smooth manifold M. There is a unique maximal flow D → M whose infinitesimal generator is V. Here D ⊆ R × M is the flow domain.
The Novartis Foundation was a scientific and educational charity, formed in 1949 by the Swiss company Ciba, now Novartis, and dissolved in 2008. It was the direct successor to the Ciba Foundation, and the changed name (Novartis Foundation) reflected the new name of Ciba, after merging with Sandoz. The Foundation was the brainchild of Robert ...
Beltrami vector field. In vector calculus, a Beltrami vector field, named after Eugenio Beltrami, is a vector field in three dimensions that is parallel to its own curl. That is, F is a Beltrami vector field provided that. Thus and are parallel vectors in other words, . If is solenoidal - that is, if such as for an incompressible fluid or a ...
Vector potential. In vector calculus, a vector potential is a vector field whose curl is a given vector field. This is analogous to a scalar potential, which is a scalar field whose gradient is a given vector field. Formally, given a vector field , a vector potential is a vector field such that.
Congruence (general relativity) In general relativity, a congruence (more properly, a congruence of curves) is the set of integral curves of a (nowhere vanishing) vector field in a four-dimensional Lorentzian manifold which is interpreted physically as a model of spacetime. Often this manifold will be taken to be an exact or approximate ...