New results on unbounded derivations and ergodic groups of automorphisms

zbMath0558.46033MaRDI QIDQ762729

Palle E. T. Jorgensen

Publication date: 1984

Published in: Expositiones Mathematicae (Search for Journal in Brave)

zbMATH Keywords

automorphismG-actionCuntz algebras*-derivationapproximately innerdifferentiable structureirrational rotation algebras\(C^{\infty }\)-vectorsdecomposition problem for unbounded derivationsfinite-dimensional Lie algebra of *- derivatives

Mathematics Subject Classification ID

Noncommutative dynamical systems (46L55) Linear symmetric and selfadjoint operators (unbounded) (47B25) Commutators, derivations, elementary operators, etc. (47B47) Selfadjoint operator theory in quantum theory, including spectral analysis (81Q10) Applications of selfadjoint operator algebras to physics (46L60)

Related Items (1)

Noncommutative differential geometry, quantization, and smooth symmetries of the \(C^*\)-algebras associated to topological dynamics

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