vertex function
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Vertex function — In quantum electrodynamics, the vertex function describes the coupling between a photon and an electron beyond the leading order of perturbation theory. In particular, it is the one particle irreducible correlation function involving the fermion… … Wikipedia
vertex function — viršūninė funkcija statusas T sritis fizika atitikmenys: angl. vertex function vok. Vertexfunktion, f rus. вершинная функция, f pranc. fonction de sommet, f … Fizikos terminų žodynas
Vertex — (Latin: corner; plural vertices or vertexes) may refer to:Mathematics*Vertex (geometry), a corner point of a polygon, polyhedron, tesselation, etc. *Vertex (graph theory), a node in a graph *Vertex (curve), a local extreme point of curvature… … Wikipedia
Vertex shader — (abbreviation VS ) is a shader program, normally executed on the Graphics processing unit. Function A vertex shader is a graphics processing function used to add special effects to objects in a 3D environment. Programming Vertex shaders are… … Wikipedia
Vertex model — A vertex model is a type of statistical mechanics model in which the Boltzmann weights are associated with a vertex in the model (representing an atom or particle). This contrasts with a nearest neighbour model, such as the Ising model, in which… … Wikipedia
Vertex pipeline — The function of the vertex pipeline in any GPU is to take geometry data (usually supplied as vector points), work with it if needed with either fixed function processes (earlier DirectX), or a vertex shader program (later DirectX), and create all … Wikipedia
Vertex operator algebra — In mathematics, a vertex operator algebra (VOA) is an algebraic structure that plays an important role in conformal field theory and related areas of physics. They have proven useful in purely mathematical contexts such as monstrous moonshine and … Wikipedia
Vertex-transitive graph — In mathematics, a vertex transitive graph is a graph G such that, given any two vertices v1 and v2 of G , there is some automorphism : f : V(G) → V(G) such that : f (v1) = v2. In other words, a graph is vertex transitive if its automorphism group … Wikipedia
Vertex Buffer Object — A Vertex Buffer Object (VBO) is an OpenGL extension that provides methods for uploading data ( vertex, normal vector, color, etc) to the video device for non immediate mode rendering. VBOs offer substantial performance gains over immediate mode… … Wikipedia
Quadratic function — A quadratic function, in mathematics, is a polynomial function of the form f(x)=ax^2+bx+c ,!, where a e 0 ,!. The graph of a quadratic function is a parabola whose major axis is parallel to the y axis.The expression ax^2+bx+c in the definition of … Wikipedia
Four-vertex theorem — The Four vertex theorem states that the curvature function of a simple, closed plane curve has at least four local extrema (specifically, at least two local maxima and at least two local minima). The name of the theorem derives from the… … Wikipedia
