Results 131 to 140 of about 3,060 (235)

The algebra of generalized compacts associated with a von Neumann algebra [PDF]

, 1987
Det vises, at det er muligt at generaliswre begrebet kompakte operatorer fra algebraen af samtlige begrænsede operatorer til en vilkårlig von Neumann ...
Christensen, Erik
core  

Spectral order on unbounded operators and their symmetries

Учёные записки Казанского университета: Серия Физико-математические науки, 2018
The spectral order on positive unbounded operators affiliated with von Neumann algebras have been considered. The spectral order has physical meaning of comparing distribution functions of quantum observables and organizes the structure of unbounded ...
J. Hamhalter, E.A. Turilova
doaj  

Crossed product algebras and generalized entropy for subregions

SciPost Physics Core
An early result of algebraic quantum field theory is that the algebra of any subregion in a QFT is a von Neumann factor of type III$_{1}$, in which entropy cannot be well-defined because such algebras do not admit a trace or density states.
Shadi Ali Ahmad, Ro Jefferson
doaj   +1 more source

The closure of the invertibles in a von Neumann algebra [PDF]

, 1996
In this paper we consider a subset  of a Banach algebra A (containing all elements of A which have a generalized inverse) and characterize membership in the closure of the invertibles for the elements of Â.
Burlando, Laura, Harte, Robin
core  

On an Algebra of Operators Related to Finite Traces on a von Neumann Algebra [PDF]

, 2008
Given a von Neumann algebra M with a faithful normal finite trace, we introduce the so called finite tracial algebra M f as the intersection of L p -spaces L p (M, µ) over all p ≥ 1 and all faithful normal finite traces µ on M.
Rustam Z Abdullaev, Sergio Albeverio, Shavkat A Ayupov   +2 more
core  

Abelian von Neumann algebras [PDF]

, 1966
This thesis carries out some of classical integration theory in the context of an operator algebra. The starting point is measure on the projections of an abelian von Neumann algebra.
Kerr, Charles R.
core  

Surprisal Analysis-Based Compaction of Entangled Molecular States of Maximal Entropy. [PDF]

Entropy (Basel)
Hamilton JR, Remacle F, Levine RD.
europepmc   +1 more source

Demonstrating completeness in optical neural computing. [PDF]

Light Sci Appl
Tyszka K.
europepmc   +1 more source

On an Algebraic Model for von Neumann Algebras. II

Proceedings of the Japan Academy, 1970
openaire   +4 more sources

Compacting the Time Evolution of the Forced Morse Oscillator Using Dynamical Symmetries Derived by an Algebraic Wei-Norman Approach. [PDF]

J Chem Theory Comput
Hamilton JR, Remacle F, Levine RD.
europepmc   +1 more source