The Weyl group of the Cuntz algebra [PDF]
The Weyl group of the Cuntz algebra On is investigated. This is (isomorphic to) the group of polynomial automorphisms λu of On, namely those induced by unitaries u that can be written as finite sums of words in the canonical generating isometries S i and
Wojciech Szymanski +6 more
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Benchmark Phaseless Auxiliary-Field Quantum Monte Carlo Method for Small Molecules. [PDF]
Sukurma Z +4 more
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On classification, UHF-stability, and tracial approximation of simple nuclear C*-algebras
In dieser Dissertation wird für eine C*-Algebra A aus bestimmten Klassen der einfachen separablen unitalen nuklearen C*-Algebren das Tensorprodukt von A und der universellen UHF-Algebra (Q) untersucht und bewiesen, dass es spurapproximativ eine ...
Strung, K.R. (Karen)
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Efficient Implementation of Equation-of-Motion Coupled-Cluster Singles and Doubles Method with the Density-Fitting Approximation: An Enhanced Algorithm for the Particle-Particle Ladder Term. [PDF]
Ünal A, Bozkaya U.
europepmc +1 more source
Classification of homomorphisms into simple Z-stable C⁎-algebras
We classify unital monomorphisms into certain simple Z-stable C⁎-algebras up to approximate unitary equivalence. The domain algebra C is allowed to be any unital separable commutative C⁎-algebra, or any unital simple separable nuclear Z-stable C⁎-algebra
Matui, Hiroki, Hiroki Matui
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The unitary group as an invariant of a simple unital C*-algebra
In 1954, H. Dye proved that the unitary groups of von Neumann factors not of type I2n determine the algebraic type of factors. Using Dye's result, M. Broise showed that any isomorphism between the unitary groups of two von Neumann factors not of type In
Al-Rawashdeh, Ahmed
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Endomorphisms of On which preserve the canonical UHF-subalgebra
Unital endomorphisms of the Cuntz algebra On which preserve the canonical UHF-subalgebra Fn are investigated. We give examples of such endomorphisms λ=λu for which the associated unitary element u in On (which satisfies λ(Sj)=uSj for all j) does not ...
Conti, Roberto +2 more
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A Hybrid Volume-Surface Integral Equation Method for Rapid Electromagnetic Simulations in MRI. [PDF]
Giannakopoulos II +8 more
europepmc +1 more source
Homomorphisms From C(X) Into C*-Algebras
Let A be a simple C*-algebra with real rank zero, stable rank one and weakly unperforated K0(A) of countable rank. We show that a monomorphism Φ: C(S2) → A can be approximated pointwise by homomorphisms from C(S2) into A with finite dimensional range if ...
Huaxin Lin
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Dispersion Energy from the Time-Independent Coupled-Cluster Polarization Propagator. [PDF]
Żuchowski PS, Moszynski R.
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