Dry Ten Martini problem for the non-self-dual extended Harper’s model

Han, Rui

doi:10.1090/tran/6989

Dry Ten Martini problem for the non-self-dual extended Harper’s model
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Trans. Amer. Math. Soc. 370 (2018), 197-217 Request permission

Abstract:

In this paper we prove the dry version of the Ten Martini problem: Cantor spectrum with all gaps open, for the extended Harper’s model in the non-self-dual region for Diophantine frequencies.

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