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- Max Planck Institute for Solid State ResearchDE2 papers
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4 papers · 1 filter
Duality of compact groups and Hilbert C*-systems for C*-algebras with a nontrivial center
Hellmut Baumgärtel, Fernando Lledó
In the present paper we prove a duality theory for compact groups in the case when the C*-algebra A, the fixed point algebra of the corresponding Hilbert C*-system (F,G), has a non…
On the radical idealizer chain of symmetric orders
Gabriele Nebe
If is an indecomposable, non maximal, symmetric order, then the idealizer of the radical $Γ:= \Id(J(Λ)) = J(Λ)^{#} $ is the dual of the radical. If is hereditary then h…
Estimate of SU(3) flavour symmetry breaking in B_s -> K^+ K^- vs. B_d -> pi^+π^- decay
M. Beneke
I estimate the SU(3) flavour symmetry breaking in the ratio of penguin-to-tree ratios of the decays B_s\to K^+ K^- and B_d\toπ^+π^-, given an assumption on the flavour symmetry bre…
Massless relativistic wave equations and quantum field theory
Fernando Lledó
We give a simple and direct construction of a massless quantum field with arbitrary discrete helicity that satisfies Wightman axioms and the corresponding relativistic wave equatio…