Von Neumann bicommutant theorem — In mathematics, the von Neumann bicommutant theorem in functional analysis relates the closure of a set of bounded operators on a Hilbert space in certain topologies to the bicommutant of that set. In essence, it is a connection between the… … Wikipedia
John von Neumann — Von Neumann redirects here. For other uses, see Von Neumann (disambiguation). The native form of this personal name is Neumann János. This article uses the Western name order. John von Neumann … 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
von Neumann, John — orig. Johann Von Neumann born Dec. 3, 1903, Budapest, Hung. died Feb. 8, 1957, Washington, D.C., U.S. Hungarian born U.S. mathematician. After receiving his Ph.D. from the University of Budapest, he emigrated to the U.S. to teach at Princeton… … Universalium
Von Neumann–Bernays–Gödel set theory — In the foundations of mathematics, von Neumann–Bernays–Gödel set theory (NBG) is an axiomatic set theory that is a conservative extension of the canonical axiomatic set theory ZFC. A statement in the language of ZFC is provable in NBG if and only … Wikipedia
Von Neumann entropy — In quantum statistical mechanics, von Neumann entropy refers to the extension of classical entropy concepts to the field of quantum mechanics.John von Neumann rigorously established the correct mathematical framework for quantum mechanics with… … Wikipedia
Von-Neumann-Hierarchie — Die von Neumann Hierarchie oder kumulative Hierarchie ist ein Begriff der Mengenlehre, der eine Konstruktion von John von Neumann aus dem Jahr 1928 benennt, und zwar einen stufenweisen Aufbau des gesamten Mengenuniversums mit Hilfe von… … Deutsch Wikipedia
Abelian von Neumann algebra — In functional analysis, an Abelian von Neumann algebra is a von Neumann algebra of operators on a Hilbert space in which all elements commute. The prototypical example of an abelian von Neumann algebra is the algebra L^infty(X,mu) for μ a σ… … Wikipedia
Théorème du bicommutant de von Neumann — Le théorème du bicommutant de von Neumann est un théorème d analyse fonctionnelle qui établit un lien entre l adhérence d un ensemble d opérateurs linéaires bornés sur un espace de Hilbert dans certaines topologies et le bicommutant de cet… … Wikipédia en Français
Stone–von Neumann theorem — In mathematics and in theoretical physics, the Stone–von Neumann theorem is any one of a number of different formulations of the uniqueness of the canonical commutation relations between position and momentum operators. The name is for Marshall… … Wikipedia
