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- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT39 papers
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4 papers · 1 filter
A note on noncommutative unique ergodicity and weighted means
Luigi Accardi, Farrukh Mukhamedov
In this paper we study unique ergodicity of -dynamical system $(\ga,T)$, consisting of a unital -algebra $\ga$ and a Markov operator $T:\ga\mapsto\ga$, relative to its fi…
A duality theorem for ergodic actions of compact quantum groups on C*-algebras
Claudia Pinzari, John E. Roberts
The spectral functor of an ergodic action of a compact quantum group G on a unital C*-algebra is quasitensor, in the sense that the tensor product of two spectral subspaces is isom…
The problem of completeness for Gromov-Hausdorff metrics on C*-algebras
Daniele Guido, Tommaso Isola
It is proved that the family of equivalence classes of Lip-normed C*-algebras introduced by M. Rieffel, up to isomorphisms preserving the Lip-seminorm, is not complete w.r.t. the m…
KMS states and the chemical potential for disordered systems
Francesco Fidaleo
We extend the theory of the chemical potential associated to a compact separable gauge group to the case of disordered quantum systems. This is done in the natural framework of ope…