closed convex hull

См. также в других словарях:

• Orthogonal convex hull — The orthogonal convex hull of a point set In Euclidean geometry, a set is defined to be orthogonally convex if, for every line L that is parallel to one of the axes of the Cartesian coordinate system, the intersection of K with L is empty, a… …   Wikipedia

• Convex conjugate — In mathematics, convex conjugation is a generalization of the Legendre transformation. It is also known as Legendre–Fenchel transformation or Fenchel transformation (after Adrien Marie Legendre and Werner Fenchel). Contents 1 Definition 2… …   Wikipedia

• Convex set — A convex set …   Wikipedia

• Convex polytope — A 3 dimensional convex polytope A convex polytope is a special case of a polytope, having the additional property that it is also a convex set of points in the n dimensional space Rn.[1] Some authors use the terms convex polytope and convex… …   Wikipedia

• Convex combination — Given three points x1,x2,x3 in a plane as shown in the figure, the point P is a convex combination of the three points, while Q is not. (Q is however an affine combination of the three poin …   Wikipedia

• Affine hull — In mathematics, the affine hull of a set S in Euclidean space R n is the smallest affine set containing S , or equivalently, the intersection of all affine sets containing S . Here, an affine set may be defined as the translation of a vector… …   Wikipedia

• Krein–Milman theorem — In mathematics, more precisely in functional analysis, the Krein–Milman theorem is a statement about convex sets. A particular case of this theorem, which can be easily visualized, states that given a convex polygon, one only needs the corners of …   Wikipedia

• Entanglement witness — In quantum information theory, an entanglement witness is an object of geometric nature which distinguishes an entangled state from separable ones. Details We first recall a few preliminary facts before giving the main result which shows the… …   Wikipedia

• Claude Lemaréchal — is a French applied mathematician. In mathematical optimization, Claude Lemaréchal is known for his work in numerical methods for nonlinear optimization, especially for problems with nondifferentiable kinks. Lemaréchal and Phil. Wolfe pioneered… …   Wikipedia

• Von Neumann algebra — In mathematics, a von Neumann algebra or W* algebra is a * algebra of bounded operators on a Hilbert space that is closed in the weak operator topology and contains the identity operator. They were originally introduced by John von Neumann,… …   Wikipedia

• Bramble-Hilbert lemma — In mathematics, particularly numerical analysis, the Bramble Hilbert lemma, named after James H. Bramble and Stephen R. Hilbert, bounds the error of an approximation of a function extstyle u by a polynomial of order at most extstyle m 1 in terms… …   Wikipedia