Geodesic
Density of states near the fluctuation boundary of the spectrum of one-dimensional incommensurable structures
Teoretičeskaâ i matematičeskaâ fizika, Tome 62 (1985) no. 2, pp. 316-319 
S. A. Gredeskul; L. A. Pastur. Density of states near the fluctuation boundary of the spectrum of one-dimensional incommensurable structures. Teoretičeskaâ i matematičeskaâ fizika, Tome 62 (1985) no. 2, pp. 316-319. http://geodesic.mathdoc.fr/item/TMF_1985_62_2_a13/
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     title = {Density of states near the fluctuation boundary of the spectrum of one-dimensional incommensurable structures},
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Voir la notice de l'article provenant de la source Math-Net.Ru

It is shown that in one-dimensional incommensurable models the singularity of the density of states at the fluctuation boundary of the spectrum is, as a rule, a power singularity, in contrast to the exponential singularity characteristic of the disordered analogs of these models.

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