Singular continuous spectrum and quantitative rates of weak mixing

@article{Knill1997SingularCS,
  title={Singular continuous spectrum and quantitative rates of weak mixing},
  author={O. Knill},
  journal={Discrete and Continuous Dynamical Systems},
  year={1997},
  volume={4},
  pages={33-42}
}
  • O. Knill
  • Published 1997
  • Mathematics
  • Discrete and Continuous Dynamical Systems
  • We prove that for a dense $G_{\delta}$ of shift-invariant measures on $A^{\ZZ^d}$, all $d$ shifts have purely singular continuous spectrum and give a new proof that in the weak topology of measure preserving $\ZZ^d$ transformations, a dense $G_{\delta}$ is generated by transformations with purely singular continuous spectrum. We also give new examples of smooth unitary cocycles over an irrational rotation which have purely singular continuous spectrum. Quantitative weak mixing properties… CONTINUE READING
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