A non-regular Toeplitz flow with preset pure point spectrum
Studia Mathematica, Tome 120 (1996) no. 3, pp. 235-246

Voir la notice de l'article provenant de la source Institute of Mathematics Polish Academy of Sciences

Given an arbitrary countable subgroup $σ_0$ of the torus, containing infinitely many rationals, we construct a strictly ergodic 0-1 Toeplitz flow with pure point spectrum equal to $σ_0$. For a large class of Toeplitz flows certain eigenvalues are induced by eigenvalues of the flow Y which can be seen along the aperiodic parts.
DOI : 10.4064/sm-120-3-235-246
Keywords: Toeplitz sequence, pure point spectrum, strict ergodicity, group extension

T. Downarowicz 1 ;  1

1
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T. Downarowicz;  . A non-regular Toeplitz flow with preset pure point spectrum. Studia Mathematica, Tome 120 (1996) no. 3, pp. 235-246. doi: 10.4064/sm-120-3-235-246

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