Quasicrystals, aperiodic order, and groupoid von Neumann algebras

@inproceedings{Lenz2002QuasicrystalsAO,
  title={Quasicrystals, aperiodic order, and groupoid von Neumann algebras},
  author={Daniel Lenz and Peter Stollmann},
  year={2002}
}
We introduce tight binding operators for quasicrystals that are parametrized by Delone sets. These operators can be regarded in a natural operator algebra framework that encodes the long range aperiodic order. This algebraic point of view allows us to study spectral theoretic properties. In particular, the integrated density of states of the tight binding operators is related to a canonical trace on the associated von Neumann algebra. To cite this article: D. Lenz, P. Stollmann, C. R. Acad. Sci… CONTINUE READING
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