منابع مشابه
Bilocal *-automorphisms of B(h)
In this note we show that the bilocal *-automorphisms of the C∗-algebra B(H) of all bounded linear operators acting on a complex infinite dimensional separable Hilbert space H are precisely the unital algebra *-endomorphisms of B(H). The study of local derivations of operator algebras has been initiated by Kadison [5] and Larson and Sourour [8]. A linear map ∆ on an algebra is called a local de...
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A bilocal field theory having Möbius gauge invariance is proposed. In four dimensions there exists a zero momentum state of the first quantized model, which belongs to a nontrivial BRS cohomology class. A field theory lagrangian having a gauge invariance only in four dimensions is constructed. PACS numbers: 11.17.+y, 11.10.Lm, 11.10.Ef The string model has achieved some impressive successes in ...
متن کاملBRS Cohomology of a Bilocal Model ∗
We present a model in which a gauge symmetry of a field theory is intrinsic in the geometry of an extended space time itself. A consequence is that the dimension of our space time is restricted through the BRS cohomology. If the Hilbert space is a dense subspace of the space of all square integrable C functions, the BRS cohomology classes are nontrivial only when the dimension is two or four. p...
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We introduce several bilocal algorithms for lattice self-avoiding walks that provide reasonable models for the physical kinetics of polymers in the absence of hydrodynamic effects. We discuss their ergodicity in different confined geometries, for instance in strips and in slabs. A short discussion of the dynamical properties in the absence of interactions is given.
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ژورنال
عنوان ژورنال: Operators and Matrices
سال: 2015
ISSN: 1846-3886
DOI: 10.7153/oam-09-06