Let abe a unital banach algebra and suppose x2asuch that. By using the algebraic formulation of quantum theory, we propose a unifying perspective on these problems, based on the hypothesis that in a. Jones 1 october 1, 2009 1supportedinpartbynsfgrantdms9322675,themarsdenfunduoa520, andtheswissnationalsciencefoundation. Commutation properties of automorphism groups and mappings of.
Martingaletype convergence of modular automorphism. Jones 1 november, 2015 1supportedinpartbynsfgrantdms9322675,themarsdenfunduoa520, andtheswissnationalsciencefoundation. Algebraic multiplicity of eigenvalues of linear operators. Automorphisms of operator algebras semantic scholar. Centrally ergodic oneparameter automorphism groups on.
If there exists a projection e of stf such that ge. We also classify actions of r on an injective semi. Since ais a factor, we deduce that aadmits an ultraweakly continuous trace. The case of wedge localization bert schroerrecent citations the emergence of time roberto longogravitational. Annals of mathematics university of california, irvine. It is first shown that a automorphism of a factor is inner if and only if it is asymptotically equal to the identity automorphism. Avonneumannalgebraaissaid tobeabelianifts stforalls. Show that the automorphism of vnf2 coming from the. We study this time flow, its classical limit, and we relate it to various characteristic theoretical facts. Commutation properties of automorphism groups and mappings.
In calgebras and their automorphism groups second edition, 2018. Each derivation a of a calgebra f acting on the hilbert space sc is spatial. This book brings together all available results about the theory of algebraic multiplicities, from the most classic results, like the spectral theory of linear operators and spectral. Por julian lopezgomez autor en algebra, matematica. There are many groups with these properties, as any locally finite group is amenable. Given t 2m with xed properties, what operators may e at be. Unitary groups and automorphisms of operator algebras jstor. Equivalently, the center of mis trivial and mis called a factor. Then the space of all bounded operators bh is a c algebra when endowed with the operator norm kxk sup. But any mention of the modular automorphism group which i encounter tends to refer me to a rather intimidating multivolume series or more advanced at least to me research level papers. Martingaletype convergence of modular automorphism groups on. Each derivation a of a c algebra f acting on the hilbert space sc is spatial. Then there exists a strongly continuous oneparameter unitary group.
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