finite factor
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Factor analysis — is a statistical method used to describe variability among observed, correlated variables in terms of a potentially lower number of unobserved, uncorrelated variables called factors. In other words, it is possible, for example, that variations in … Wikipedia
Finite field — In abstract algebra, a finite field or Galois field (so named in honor of Évariste Galois) is a field that contains only finitely many elements. Finite fields are important in number theory, algebraic geometry, Galois theory, cryptography, and… … Wikipedia
Finite dimensional von Neumann algebra — In mathematics, von Neumann algebras are self adjoint operator algebras that are closed under a chosen operator topology. When the underlying Hilbert space is finite dimensional, the von Neumann algebra is said to be a finite dimensional von… … Wikipedia
Hyperfinite type II factor — In mathematics, there are up to isomorphism exactly two hyperfinite type II factors; one infinite and one finite. Murray and von Neumann proved that up to isomorphism there is a unique von Neumann algebra that is a factor of type II1 and also… … Wikipedia
Approximately finite dimensional C*-algebra — In C* algebras, an approximately finite dimensional, or AF, C* algebra is one that is the inductive limit of a sequence of finite dimensional C* algebras. Approximate finite dimensionality was first defined and described combinatorially by… … Wikipedia
Representation theory of finite groups — In mathematics, representation theory is a technique for analyzing abstract groups in terms of groups of linear transformations. See the article on group representations for an introduction. This article discusses the representation theory of… … Wikipedia
Atomic form factor — In physics, the atomic form factor, or atomic scattering factor, is a measure of the scattering intensity of a wave by an isolated atom. The atomic form factor depends on the type of scattering, typically X ray, electron or neutron. For crystals … 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
Almost flat manifold — In mathematics, a smooth compact manifold M is called almost flat if for any varepsilon>0 there is a Riemannian metric g varepsilon on M such that mbox{diam}(M,g varepsilon)le 1 and g varepsilon is varepsilon flat, i.e. for sectional curvature of … Wikipedia
Mennicke symbol — In mathematics, a Mennicke symbol is a map from pairs of elements of a number field to an abelian group satifying some identities found by Menncike (1965). They were named by Bass, Milnor Serre (1967), who used them in their solution of the… … Wikipedia
Mechanosensitive channels — Finite Element Model of MscL transmembrane model. This figure is similar to the Tang et al. [28]. Mechanosensitive channels or mechanosensitive ion channels are membrane proteins capable of responding over a wide dynamic range to external… … Wikipedia